There were ten categories of undead suspense novels, adventure survival novels, 300,000 to 500,000 words, complete novels, and male novels that were recognized as good writing.

I haven't been able to find all the novels that you want to match, but I've tried my best to find some related books. Here are a few related novels I found for you: 1. " Love of Tianmu Mountain " Author: Jiangnan Where Xiu, Category: Xianxia, Cultivation Civilization, Completed, You Can Enjoy with Rest assured 2. [Descendants of Maoshan] Author: Vajra Palm, Category: Suspense, Adventure Survival, Completed, You Can Enjoy with Rest assured. 3. " I am an Ancient Spiritualist " Author: Wuyou Bujue, Category: Suspense, Wonderful World, Finished, You can enjoy it without worry. The following is a brief introduction of these novels: 1. " The Love of Tianmu Mountain " The unwillingness of a male cultivator turned into the Reincarnation Defying Bead! The infatuation of a female cultivator had witnessed eternal love! And all of this came from the Heavenly Elder Dao Mountain. 2. Descendants of Mao Mountain This was a novel about the traditional Chinese secret technique, Maoshan Taoism. The story was about Zhang Guozhong and Zhang Yicheng, father and son, who used Maoshan Taoism to set foot in the world. From exorcising ghosts and suppressing evil to exploring mysteries, they would uncover all the unjust cases and ancient mysteries. Their footprints would even spread throughout Asia and Europe. Different cultures, different regions, different beliefs. Could China's most powerful Maoshan Taoism be fully displayed? At present, many readers have asked me if the contents of the book are true. I hereby solemnly declare the following: All the contents and characters in this book are fictional. If there are any similarities, it is purely coincidental. Also, please do not imitate all the formations and movements involved in this book. Otherwise, you will bear all the consequences! 3. " I'm an Ancient Spirit Master " Spirits, like humans, had their own stories. Some were sad, some were touching, and some made people yearn for them! These works all have good reputations for your reference.

I haven't been able to find all the novels that you want to match, but I've tried my best to find some related books. Here are a few related novels I found for you: 1. Grave Robber: I'm Really Not a Crow's Mouth Author: All-Metal Creature, Category: Suspense, Adventure Survival 2. " I Have a Super Military Fortress " Author: Rapid Fireball, Category: Fantasy, Otherworld Continent, Completed, You Can Enjoy with Rest assured 3. Author: My Heart Was Kind, Category: Suspense, Adventure Survival, Finished, Enjoy with Rest 4. Author: Lin Jin, Category: Short Story, Short Story, Finished, Enjoy 5. " Reborn Skeleton Knight Olivia " Author: Admire Orange, Category: Fantasy, Epic Fantasy, Completed, You Can Enjoy with Rest assured The following is a brief introduction of these novels: 1. [Grave Robber: I'm really not a jinx.] What if he knocked out the main character at the start of the game? What if I didn't remember the plot before I transmigrated? What if the yo-yo failed? Lin Yan's expression gradually became desperate. Why not make the main character one of their own? Thus, a sinful hand reached out to Wu Xie. From then on, the world of grave robbers became strange. It was also known as " Fantasy in the Grave Robbing World " and " Survival Strategy for a Grave Robbing World without a System ". This was the bitter story of a contemporary idiotic young man who traveled through the Grave Robbing World. 2. " I Have a Super Military Fortress " Somehow, he had become the commander of a super military fortress. He thought that his life of cheating was about to begin, but he did not expect that he did not have enough energy to activate it…Tsk, he was the first to embark on the arduous path of finding energy! He was always caught up in the schemes and schemes of the world. He clearly had powerful combat strength, but he could only rely on his wits to win…Fortunately, his IQ was still " always online "! 3. The Eternity Lotus's Strange Tales I carry a musket and live like you I bury myself in the sea of yellow spring flowers Just for the day you wake me up see you again How many people have been ruined by the secret behind the city gate? 4. Say Goodbye When he was about to die, he met a ghost officer who almost failed his internship. After some bargaining, he finally received a big gift bag for hospice care: Back to a certain point in life, It was the start of the seventy-day experience. ------ There are a total of 52 chapters in the text. Thank you for coming. 5. " Reborn Skeleton Knight Olivia." In the western fantasy world, the protagonist was a female knight who died on the battlefield. Ten years after her death, she was transformed into an undead by the wizard. However, for some reason, she and her subordinates who were also transformed into undead suddenly broke away from the wizard's control and gained their own consciousness. At the same time, many memories of a masked man appeared in their minds. What was the truth behind everything? Watch the protagonist Olivia lead the Skeleton Knights to find out the truth. < Keyword > Knight, Undead, Wizard, God, Light Cthulhu, Magic Card, Rebirth, Transmigration, Holy Light. She was a classic example of the male channel's female lead courting death. She wrote traditional and serious articles, and occasionally, she was relaxed and funny. "Occasionally?" Do you believe that I will bury myself?" "I love cleanliness the most in the entire Skeleton World and even the Undead World." " I know how to mix drinks and perform magic," said Qiao Si." Have you seen the undead performing on the streets?" Hank: " Who can control him? He's going crazy in this profile." Olivia was speechless. Newcomer's new book, welcome everyone to comment, recommend, and add to your collection, thank you! These works all have good reputations for your reference.

I haven't been able to find all the novels that you want to match, but I've tried my best to find some related books. Here are a few related novels I found for you: 1. " Invincible Heroes: The Battle of Heroes " Author: War Chain, Category: Game, Virtual Online Game, Completed, You Can Enjoy It with Rest assured 2. Midnight Story Vending Machine Author: Prisoner Zero. Category: Suspense, Mystery, Suspense. Finished. Enjoy without worry. 3. [Legend of the Invincible Hero] Author: Great Wizard, Category: Game, Game Otherworld, Completed, You can enjoy it without worry. 4. " Mutated Demon Man " Author: Han Mou, Category: Light novel, Original Fantasy, Finished, You can enjoy it without worry. The following is a brief introduction of these novels: 1. " Invincible Heroes: Battle for Power " The new book had been uploaded. …… This book only had about 200,000 words. It was the story of the third game, Invincible Heroes. It was completely free, and it generated electricity for love. 2. Midnight Story Vending Machine In the middle of the night, after a feast that only belonged to non-existent things, Kuang Chen found that his life was rapidly changing in an uncontrollable direction. An old, uninhabited house; an overly intelligent vending machine; an exorcist couple returning from overseas; the tarot cards and blind girls of fate; the broken limbs of the crying dolls in the wax museum; the cello that played automatically in the middle of the night... Shadows extended from the dark corner. The light of hope disappeared. Fallen people fled in panic. That was the perfect moment to encounter the midnight story vending machine! 3. [Legendary Invincible Heroes] Wherever you walk, there must be traces. Time never lived up to its heroes. To all the warriors who fought against Erathia and Ashan. 4. Mutated Demon Man He opened his eyes and looked at the familiar ceiling. Everything he had experienced before had become a dream. The familiar class monitor had turned into a domineering class monitor. Du Zitao, whom he had once disliked, was now very respectful to him. Wei Lanxuan, who had changed her expression whenever she heard about the Western Regions, was now saying,"I want to marry you." The mysterious woman who had once made him fall in love with her had now become his fiancée! The world's level 10 had become the only level 10 in his continent. The other places were all level 100 gods. " Teacher, I want to return to the dream world!" "You can't go back. Give up." “……” These works all have good reputations for your reference.

I haven't been able to find all the novels that you want to match, but I've tried my best to find some related books. Here are a few related novels I found for you: 1. " I'm a Detective in a Wonderful World " Author: Lazy Otaku Cat, Category: Suspense, Suspense Detective, Completed, You Can Enjoy with Rest assured 2. " I, the tomb keeper, kill the tomb raiders at the beginning of the game!" Author: Going Back On His Word, Category: Suspense, Adventure Survival 3. " The Undead Army Traversing the Fantasy World " Author: Invincible Emperor, Category: Fantasy, Oriental Fantasy, Completed, You can enjoy it with ease. 4. " Invincibility Begins From Attribute Extraction " Author: Eternity Empty, Category: Fantasy, Oriental Fantasy, Completed, You Can Enjoy with Rest assured 5. " Soul Contract, Soul Weep, Loving Pledge " Author: Ice Spirit, Fire Language, Category: Fantasy, Epic Fantasy, Completed, Enjoy with Rest assured 6. Midnight Story Vending Machine Author: Prisoner Zero. Category: Suspense, Mystery, Suspense. Finished. Enjoy without worry. The following is a brief introduction of these novels: 1. I'm a Detective in a Wonderful World When he woke up, he was lying on the yacht, without any memories. When they arrived at the legendary island, strange nursery rhymes rang out in the villa hall, and evil spirits watched everyone in the darkness. The next morning, the first victim appeared… Having lost all his memories, he would begin his detective journey in the wonderful world. 2. " I, the tomb keeper, kill the tomb raiders at the beginning of the game!" After traversing a parallel world, Chen Yu woke up in the First Emperor's mausoleum. He became the legendary tomb keeper who signed a contract with the gods and stepped on Yin and Yang! As long as they expelled or killed the intruders, they would be rewarded. Tomb robbers, archeological teams, the Nine Sects and Four Sects, and the Yin Practitioners ignored the warnings and wanted to barge into the tomb? Chen Yu waved his hand. The Ghost Face Moth that had long gone extinct was like a corpse of the Blacktide, a thousand-year-old corpse that had been revived…They all moved out! "Believe in science!" We have the most advanced equipment. We can take down this tomb in minutes!" The netizens: Then don't shake your legs! Why are you running?" The Miaojiang Gu Lady said," My Miaojiang Gu technique can control Gu worms and kill people invisibly! But the tomb keeper…He's fiercer than me!" " I just want to try. I don't want to die!" In the end, when the one emperor from the ancient times stepped out of the coffin under Chen Yu's guidance and gathered a million ghost soldiers! The entire world trembled! 3. " The Undead Army Roams the Fantasy World " It was the year's most popular novel, the invincible novel! Bring a [Undead Ruler] game to the fantasy world, unlimited summoning, unlimited crushing. " No matter if you're a peerless genius, a peerless expert, an ancient emperor, or an ancient taboo, you'll be crushed by my endless undead. 4. " Invincibility Begins From Attribute Extraction " Reborn in another world, the attribute extraction system descended from the sky. Everything can be lifted, nothing can not be used by me, and I have dominated the world for 90,000 years. 5. [Soul Contract, Soul Weeping, True Love Pledge] A completely empty, independent world view of the long Western fantasy epic-Soul Contract·Soul Weep It was written in a classical western style. No transmigration, no system, no brain, and no tricks. From the perspective of the three narrators, it showed the grand and self-consistent fantasy world, as well as the complex contradictions and conflicts of various classes and races in the world. There were no absolute good or bad people here. Everyone had their own unique experiences and pursuits. In the same world, different experiences and pursuits would inevitably intertwine into various contradictions. And this oath of true love started from the northern region of this mainland. Three treasures, three contracts, and three successors formed the Botis family that made the entire continent tremble in fear. The Potis family had controlled the Northern Territory for hundreds of years. Only the Laval Magic Academy, one of the three magic holy lands on the continent, could barely resist them. It was only until the war between the Magic Academy and the Potis family 24 years ago. From then on, the Northern Territory and the Magic Academy fell under the control of Highlord Hadrias. And this part of history was sealed away, waiting to be unveiled by the academy's successor who had been hiding his hatred all these years. The secret soul technique that no one knew about, the soul technique inheritance that everyone coveted, the soul contract that was difficult to violate for life, the ruler's plan, the inheritor's tragedy, the joy, struggle, and sorrow in the depths of the soul of the teller... The great lord of the Northern Territory, Reese, the young daughter of the lord who was innocent and loved the art of the soul, the mysterious hero's successor, Lindsay, who was born in the Southern Territory, the elder daughter of the lord who lacked fatherly love and was full of schemes, Loretti, who shouldered the mission of the race, and the successor of the academy who hid behind the scenes... The prologue of this epic was slowly opened. 6. Midnight Story Vending Machine In the middle of the night, after a feast that only belonged to non-existent things, Kuang Chen found that his life was rapidly changing in an uncontrollable direction. An old, uninhabited house; an overly intelligent vending machine; an exorcist couple returning from overseas; the tarot cards and blind girls of fate; the broken limbs of the crying dolls in the wax museum; the cello that played automatically in the middle of the night... Shadows extended from the dark corner. The light of hope disappeared. Fallen people fled in panic. That was the perfect moment to encounter the midnight story vending machine! These works all have good reputations for your reference.

Here are a few related novels I found for you: 1. " Tomb Robbing and Treasure Hunting System " Author: Yi Mian, Ghost Flute. Category: Suspense, Adventure Survival. Completed. You can enjoy it without worry. 2. " I Have a Grave Robber's Sign In System " Author: Invincible Battle Commander, Category: Suspense, Adventure Survival, Completed, You Can Enjoy with Rest assured 3. I Really Didn't Want to Save the World. Author: Adorable Little Green Pepper. Category: Suspense, Adventure Survival. It's over. You can enjoy it with ease. The following is a brief introduction of these novels: 1. Tomb Robbing and Treasure Hunting System A new book! [I found the Art of Longevity, exposed by the system]! I hope everyone can go over and take a look. I hope you can give me a lot of support for my new book! Second Master Ye had inadvertently obtained a new grave robbing inheritance, the Nine Nether Inspector. A very ancient inheritance. What kind of friction would he have with those old-fashioned people who touched gold, moved mountains, raised hills, unloaded mountains, and so on… Strange ancient tombs, Qingsang Saintess, Taiji Tomb, and the huge palace buried deep underground. What secrets were they hiding… Strange things happened one after another. What should Ye Er do? 2. " I Have a Grave Robbing Registration System " New book," Writing a novel to come true, invited to excavate an ancient tomb " Ye Chen inexplicably obtained the tomb robbing sign-in system. From then on, he embarked on the road of reverse exploration. Touching gold, hair mound, mountain removal, moving mountains, and other major sects, what kind of sparks would the protagonist have with them… The Strange God, the Ten Thousand Arts of Heaven and Earth, the exploration of the divine tomb, the ancient tomb of all tombs, the tomb of Guigu 'zi, the tomb of the Sea God, the desert divine territory, the legends of the ancient race… All techniques become one, tomb raiding forever! Let's see how the main character, Ye Chen, signed in to the Divine Tomb, received rewards, and grew again and again… Zongzi, Shen Mei, Fey, Forbidden Granny… QQ Group: 1121381453 3. 'I really don't want to save the world.' A few hundred years ago, the Heavenly Court fell and the Buddhas decayed. A few hundred years ago, the four seas were silent and the heavenly dimension closed. A few hundred years ago, the saints were sleeping for heaven and earth. A few hundred years later, the poor Jiang Li took out a treasure map that was based on the three dreams he had and successfully tricked a rich and beautiful woman into investing a million yuan. At first, he just wanted to spend 300,000 to buy all the equipment and stroll around the no man's land. Then, after the contract was completed, he would take the remaining 700,000 and have a good time… However, he had advanced to the Martial Monarch Realm… Everything will be reborn PS: Time of update: 19:10, 19:11 These works all have good reputations for your reference.

Here are a few related novels I found for you: 1. " I Cursed the World " Author: Jun Jianglin M, Category: Suspense, Adventure Survival, Finished, You Can Enjoy with Rest in Peace 2. " Longevity Ancient Collection " Author: Yue Changsui, Category: Suspense, Adventure Survival, Completed, You Can Enjoy It with Rest assured The following is a brief introduction of these novels: 1. I Cursed the World I accidentally cursed everyone in the world, and I still have to think of a way to get them back... The first time, it was a beauty. The second time, it was a murderer. The third time, he was no longer human… The rebuilt world is no longer the same as before. Do I still want to continue? 2. [Longevity Ancient Treasure] Half a century ago, my grandfather was squatting in the mountains in the northeast. After squatting for three days and three nights, there were no tigers, leopards, wolves, bears, roe deers, or wild rabbits. Instead, there were eight hunters covered in blood. Fox, wolf, snake and tiger, brown bear, wild boar, rat and swimming dragon-the eight beast pictures on the hunter's back outlined a curse called " longevity." Half a century later, my father disappeared in the northeast ridge where my grandfather once lived… These works all have good reputations for your reference.

I haven't been able to find all the novels that you want to match, but I've tried my best to find some related books. Here are a few related novels I found for you: 1. " Soul Contract, Soul Weep, Loving Pledge " Author: Ice Spirit, Fire Language, Category: Fantasy, Epic Fantasy, Completed, Enjoy with Rest assured 2. " My Undead Can't Be Trifled With " Author: Qi Le, Category: Science fiction, Time Travel, Completed, You Can Enjoy with Rest assured 3. [Ghost Blows Out the Light II] Author: This object is the world's overlord. Category: Suspense, Adventure Survival. It's over. You can enjoy it with ease. The following is a brief introduction of these novels: 1. [Soul Contract, Soul Weeping, True Love Pledge] A completely empty, independent world view of the long Western fantasy epic-Soul Contract·Soul Weep It was written in a classical western style. No transmigration, no system, no brain, and no tricks. From the perspective of the three narrators, it showed the grand and self-consistent fantasy world, as well as the complex contradictions and conflicts of various classes and races in the world. There were no absolute good or bad people here. Everyone had their own unique experiences and pursuits. In the same world, different experiences and pursuits would inevitably intertwine into various contradictions. And this oath of true love started from the northern region of this mainland. Three treasures, three contracts, and three successors formed the Botis family that made the entire continent tremble in fear. The Potis family had controlled the Northern Territory for hundreds of years. Only the Laval Magic Academy, one of the three magic holy lands on the continent, could barely resist them. It was only until the war between the Magic Academy and the Potis family 24 years ago. From then on, the Northern Territory and the Magic Academy fell under the control of Highlord Hadrias. And this part of history was sealed away, waiting to be unveiled by the academy's successor who had been hiding his hatred all these years. The secret soul technique that no one knew about, the soul technique inheritance that everyone coveted, the soul contract that was difficult to violate for life, the ruler's plan, the inheritor's tragedy, the joy, struggle, and sorrow in the depths of the soul of the teller... The great lord of the Northern Territory, Reese, the young daughter of the lord who was innocent and loved the art of the soul, the mysterious hero's successor, Lindsay, who was born in the Southern Territory, the elder daughter of the lord who lacked fatherly love and was full of schemes, Loretti, who shouldered the mission of the race, and the successor of the academy who hid behind the scenes... The prologue of this epic was slowly opened. 2. My Undead Can't Be Trifled With What was light? What was darkness? In the end, it was just strength. Light did not mean that you wanted it, and darkness did not necessarily belong to death. Red rain was falling from the sky. The Rain Lord held an umbrella and danced in the rain with a smile. The Skeleton King used its slender toes to play the tune of the billions of undead with an intoxicated smile on its face. The Undead Knight sat in front of his seat and tasted his dinner with a solemn expression. The zombie in the kitchen tidied up his crown and let out a series of hair-raising laughter. Ye Zisu sat on the throne of bones piled up with crystal skulls. She stared at everything that was happening around her and muttered in a low voice," Light is death!" Not far away, the golden Bone Dragon King sneezed. He looked at the Lich King, who was trembling with excitement, and subconsciously rolled his eyes. PS: Can't afford to offend? RBQ？emmm 3. Ghost Blows Out the Light II The popular online drama " Ghost Blows Out the Light: Fury in Xiangxi " was adapted from this book! The mystery of the cycle of life and death, the thousands of years of civilization that had disappeared, the ancient ruins that had been sealed, and the giant dragon that was crouching on the vast land, protecting all of this. The river was surging, the yellow sand was rolling, or the sea was changing. What was hidden here? The souls of those buried lives were struggling. Where was the exit of the Door of Everlasting Life? The group of people accidentally explored all the unknown mysteries and gradually unveiled the mysterious legends hidden behind them. These works all have good reputations for your reference.

I haven't been able to find all the novels that you want to match, but I've tried my best to find some related books. Here are a few related novels I found for you: 1. " Soul Contract, Soul Weep, Loving Pledge " Author: Ice Spirit, Fire Language, Category: Fantasy, Epic Fantasy, Completed, Enjoy with Rest assured 2. [I'm Not a Human at the Beginning] Author: Zhongxia Nanzhi, Category: Fantasy, Otherworld Continent, Finished, You Can Enjoy with Rest assured. 3. " The System Wants Me to Show My Divinity by Giving Guidance to the Archeological Team " Author: Black Shirt Sword, Category: Suspense, Adventure Survival 4. Midnight Story Vending Machine Author: Prisoner Zero. Category: Suspense, Mystery, Suspense. Finished. Enjoy without worry. The following is a brief introduction of these novels: 1. [Soul Contract, Soul Weeping, True Love Pledge] A completely empty, independent world view of the long Western fantasy epic-Soul Contract·Soul Weep It was written in a classical western style. No transmigration, no system, no brain, and no tricks. From the perspective of the three narrators, it showed the grand and self-consistent fantasy world, as well as the complex contradictions and conflicts of various classes and races in the world. There were no absolute good or bad people here. Everyone had their own unique experiences and pursuits. In the same world, different experiences and pursuits would inevitably intertwine into various contradictions. And this oath of true love started from the northern region of this mainland. Three treasures, three contracts, and three successors formed the Botis family that made the entire continent tremble in fear. The Potis family had controlled the Northern Territory for hundreds of years. Only the Laval Magic Academy, one of the three magic holy lands on the continent, could barely resist them. It was only until the war between the Magic Academy and the Potis family 24 years ago. From then on, the Northern Territory and the Magic Academy fell under the control of Highlord Hadrias. And this part of history was sealed away, waiting to be unveiled by the academy's successor who had been hiding his hatred all these years. The secret soul technique that no one knew about, the soul technique inheritance that everyone coveted, the soul contract that was difficult to violate for life, the ruler's plan, the inheritor's tragedy, the joy, struggle, and sorrow in the depths of the soul of the teller... The great lord of the Northern Territory, Reese, the young daughter of the lord who was innocent and loved the art of the soul, the mysterious hero's successor, Lindsay, who was born in the Southern Territory, the elder daughter of the lord who lacked fatherly love and was full of schemes, Loretti, who shouldered the mission of the race, and the successor of the academy who hid behind the scenes... The prologue of this epic was slowly opened. 2. "I'm not a human from the start." Lu Xiao never expected that after she transmigrated, she could not even be a human! The opening turned into a sword and was frozen in ice! "Fortunately, I still have a golden finger that can help me cultivate." Lu Xiao finally realized that she was not too miserable. " All of your cultivation is mine now, hehehe…" Lu Xiao laughed wildly in her heart. Starting from a frozen sword, Lu Xiao began her inhuman life. " A sword at the start, leveling up is all about swallowing!" [A Mysterious Zone: 943979133 Welcome to Join] 3. [The system wants me to show off my divinity when I'm giving pointers to the archeological team.] Zhao Yuan had transmigrated to another world. The difference was that the archaeological culture of this world was severely broken, and no one was familiar with tomb robbing techniques. In order to revitalize the archaeological industry, the officials vigorously launched archaeological live broadcasts. At this moment, in the official live broadcast room, there was actually a keyboard warrior who was trying to please the crowd. [You still want to be a prophet? Werewolf, kill him!" Not only were the bullet comments mocking him, but the archeological team also ignored him… However, these people were slapped in the face. At this moment, the country was paying attention to him. Ding!" Congratulations to the host for activating the Sky Official Cultivation System." "The Sky Official groomed him?" "The host can show his divinity through the live broadcast room and obtain popularity points." Outside the livestream, Zhao Yuan grinned. From now on, the Prominent Divine Official was officially online. 4. Midnight Story Vending Machine In the middle of the night, after a feast that only belonged to non-existent things, Kuang Chen found that his life was rapidly changing in an uncontrollable direction. An old, uninhabited house; an overly intelligent vending machine; an exorcist couple returning from overseas; the tarot cards and blind girls of fate; the broken limbs of the crying dolls in the wax museum; the cello that played automatically in the middle of the night... Shadows extended from the dark corner. The light of hope disappeared. Fallen people fled in panic. That was the perfect moment to encounter the midnight story vending machine! These works all have good reputations for your reference.

I haven't been able to find all the novels that you want to match, but I've tried my best to find some related books. Here are a few related novels I found for you: 1. " The Road to the Underworld to Make a Living " Author: Shi Youyu, Category: Fantasy, Other Fantasy, Completed, You Can Enjoy It with Rest assured 2. " Maybe I'm already an Immortal " Author: Wihte, Category: Xianxia, Modern Cultivation, Completed, You can enjoy it with ease. The following is a brief introduction of these novels: 1. [The Road to the Underworld to Make a Living] Tang Wuyuan stood in front of the Gate of Hell and thought about how he had burned the underworld three hundred years ago. Why didn't he think about how pathetic he was working to earn Underworld Coins today… 2. "Maybe I've already been conferred the title of immortal." What secrets were hidden in the ancient forest? Would it affect the structure of the world? Could it be an ancient clue left behind by the predecessors? These works all have good reputations for your reference.