What are some of the best fiction mystery books?

Agatha Christie's 'Murder on the Orient Express' is also a top mystery. It has a complex plot with a murder happening on a train and a detective, Hercule Poirot, has to figure out who among the diverse group of passengers is the killer. Christie is known for her intricate plotting and unexpected twists.

One of the best is 'The Adventures of Sherlock Holmes' by Arthur Conan Doyle. It has brilliant detective work and a very iconic detective in Sherlock Holmes.

I would recommend 'The Girl with the Dragon Tattoo' by Stieg Larsson. This book has a complex mystery with a lot of twists and turns. The main character, Lisbeth Salander, is a very interesting and unique detective figure, and the story delves deep into dark secrets and corruption.

One of the best is 'And Then There Were None' by Agatha Christie. It's a classic where ten strangers are lured to an island and start getting murdered one by one in a very mysterious way.

One of the best is 'And Then There Were None' by Agatha Christie. It's a classic where ten strangers are lured to an island and then start getting murdered one by one in a very mysterious way. Another great one is 'The Girl with the Dragon Tattoo' by Stieg Larsson. It has a complex plot with a journalist and a hacker investigating a decades - old disappearance that turns into a murder mystery full of twists. Also, 'Gone Girl' by Gillian Flynn is a popular choice. The story of a missing wife and the husband who becomes the prime suspect keeps you on the edge of your seat with its unexpected turns.

One of the best is 'The Adventures of Sherlock Holmes' by Arthur Conan Doyle. It features the brilliant detective Sherlock Holmes and his loyal friend Dr. Watson. Holmes' deductive reasoning skills are simply amazing as he solves complex crimes in Victorian London.

One of the best is 'The Adventures of Sherlock Holmes' by Arthur Conan Doyle. It features the brilliant detective Sherlock Holmes and his loyal friend Watson. The stories are full of complex mysteries and Holmes' astute deductions.

One great mystery teen fiction book is 'The Fault in Our Stars' by John Green. It has elements of mystery within the story of two teenagers with cancer. Another is 'The Maze Runner' by James Dashner. The boys in the glade are surrounded by mystery as they try to figure out the maze and their situation. And 'One of Us Is Lying' by Karen M. McManus is also a great pick. It's a mystery about the death of a student in detention and everyone seems to be a suspect.

Agatha Christie's 'And Then There Were None' is a classic. It's set on an isolated island where people start dying one by one. Christie masterfully builds suspense and the ending is quite unexpected. Her writing style is engaging and she's known for her brilliant plot construction.

One of the best is 'To Kill a Mockingbird' by Harper Lee. It's set in the South and has elements of mystery as Scout and Jem try to understand the strange happenings around them, like the mystery of Boo Radley. Another great one is 'Gone with the Wind' which also has elements of mystery within the context of the South during the Civil War era, like the mystery of Rhett Butler's true feelings for Scarlett. And 'The Secret Life of Bees' has a touch of mystery as Lily Owens tries to uncover the truth about her mother's past in the southern setting.