Recommend some book series for young adults in science fiction books.

The 'Percy Jackson and the Olympians' series is a must - read. It combines Greek mythology with modern - day adventures, following Percy, a demigod. 'A Wrinkle in Time' series is also essential. It takes readers on a journey through different dimensions. And 'His Dark Materials' trilogy by Philip Pullman is great as it delves into parallel universes and the fight against a powerful authority.

One great science fiction young adults book is 'The Hunger Games' by Suzanne Collins. It's set in a post - apocalyptic world where teenagers are forced to fight to the death in an annual event. Another is 'Divergent' by Veronica Roth. It has a unique society divided into factions based on different virtues. And 'Ender's Game' by Orson Scott Card is also a classic, following a young boy's training in a military school for a future war against an alien race.

One popular young adult science fiction book is 'The Hunger Games' by Suzanne Collins. It tells a thrilling story set in a post - apocalyptic world where teenagers are forced to fight in a deadly game.

A good young adult science fiction book is 'The Giver' by Lois Lowry. It presents a seemingly utopian society that has some dark secrets. 'Ready Player One' by Ernest Cline is really popular. It's set in a future where people escape into a virtual reality world filled with 80s pop - culture references. Also, 'Uglies' by Scott Westerfeld is good. It's about a world where everyone gets an operation to become 'pretty' at a certain age.

One popular young adult science fiction book is 'The Hunger Games' by Suzanne Collins. It tells a thrilling story set in a post - apocalyptic world where teenagers are forced to fight in a deadly game.

One popular young adults science fiction book is 'The Hunger Games' by Suzanne Collins. It's set in a dystopian future where teenagers are forced to fight to the death in an arena. Another is 'Divergent' by Veronica Roth, which features a society divided into factions based on human virtues. 'The Maze Runner' by James Dashner is also great. It tells the story of a group of boys trapped in a maze and their struggle to find a way out.

One could be 'The Hunger Games' by Suzanne Collins. It's controversial in the sense that it shows a very violent and extreme society where children are forced to fight to the death. Some people worry that it might be too intense for young adults. Another is 'Divergent' by Veronica Roth. The strict caste system and the idea of genetic purity within the story have led to some debate regarding its influence on young readers.

Some great science fiction books for young adults are 'Illuminae' by Amie Kaufman and Jay Kristoff. It has a really unique format with hacked documents, emails, etc. telling the story. 'The 5th Wave' by Rick Yancey is another one. It's about an alien invasion and how the survivors fight back. And 'Uglies' by Scott Westerfeld is about a society where everyone gets plastic surgery at 16 to become 'pretty', but one girl questions this system.

One great young adults science fiction book is 'The Hunger Games' by Suzanne Collins. It's set in a dystopian future where teens are forced to fight to the death in an arena. Another is 'Divergent' by Veronica Roth. It presents a society divided into factions based on different virtues. And 'Ender's Game' by Orson Scott Card is also a classic, following a child prodigy in a military training for an interstellar war.

One great book is 'The Hunger Games' by Suzanne Collins. It's set in a post - apocalyptic world where teenagers are forced to fight to the death in an annual event. The story is full of action, adventure, and complex characters, making it a thrilling read for young adults. Another good one is 'Divergent' by Veronica Roth. It presents a society divided into factions based on different virtues, and the main character Tris has to navigate this complex world. The book explores themes of identity and self - discovery. And 'Ender's Game' by Orson Scott Card is also highly recommended. It follows a young boy named Ender who is trained to fight in a war against an alien race. It's a thought - provoking story about leadership and morality.