Features difficult and downright perplexing bunch of conundrums, puzzles, and riddles, all written in the style of Sir Arthur Conan Doyle's stories. This book involves the reader in the solving of puzzles - and crimes. It also includes more than 200 puzzles from seemingly simple riddles to more complicated brain-busting logic puzzles.

Includes more than 250 difficult mysteries, involving Arthur Conan Doyle's Sherlock Holmes, told by the character Dr John Watson. Also includes tricks and tips for solving them the Sherlock way. With 275 colour images.