Can you recommend great classic mystery novels for beginners?

Sure. 'The Adventures of Tom Sawyer' by Mark Twain has some mystery elements in it. Tom and his friend Huck's adventures, including their encounter with Injun Joe, are full of mystery and a sense of adventure, which is a great introduction to the mystery genre for beginners.

For those who like a bit of a spooky mystery, 'The Graveyard Book' by Neil Gaiman could be a good choice. It's about a boy who is raised by ghosts in a graveyard. While it has elements of the supernatural, it also has a mystery at its core as the boy tries to figure out his past and the danger that lurks outside the graveyard.

Sure. 'Nancy Drew' series is a great choice for beginners. It has simple yet interesting mystery plots that are easy to follow. The main character, Nancy Drew, is a young and resourceful detective who solves various cases, like missing heirlooms or strange disappearances.

Sure. 'The Chronicles of Narnia' is a great choice for beginners. It's easy to understand and has a wonderful world full of talking animals and magic. The moral lessons in it are also easy to grasp. Another good one is 'Alice's Adventures in Wonderland'. It's short, and the strange and dream - like story is very engaging.

Sure. 'Pride and Prejudice' is a great start. Its language is not too difficult and the story is very engaging. You can easily get into the world of Elizabeth and Mr. Darcy. Another good one is 'Jane Eyre'. The love story between Jane and Mr. Rochester is straightforward yet full of depth.

For beginners, I'd suggest 'The Man in the Brown Suit' by Agatha Christie. It has an engaging plot that is not too complex. 'The Valley of Fear' by Arthur Conan Doyle is also a good choice. It combines mystery with elements of the underworld. 'The Strange Case of Dr. Jekyll and Mr. Hyde' by Robert Louis Stevenson, while not a typical mystery in the detective sense, has a great sense of mystery and moral exploration that can be a good introduction to the genre.

Sure. 'The Maid' by Nita Prose is a great start. It has a simple yet engaging mystery and the main character is very likeable. It's easy to follow and has a touch of humor.

Sure. 'The Death of Mrs. Westaway' by Ruth Ware is a good choice for beginners. It has a classic mystery feel with a young woman who gets drawn into a family mystery she didn't expect. The plot is engaging and not overly complicated.

Dorothy L. Sayers' 'Gaudy Night' is a great classic. It combines elements of mystery, academia, and female friendship. Harriet Vane, a detective novelist herself, returns to her Oxford college and becomes involved in a series of disturbing events. The novel delves deep into the relationships and social dynamics within the college.