Sherlock Holmes Escape Book: The Adventure of the London Waterworks
The Sherlock Holmes Escape Book is the first in a unique new series of puzzle books, in which the reader is trapped in the pages and must find their way out by solving the puzzles that hold the key to their freedom. Visual clues are hidden among the intriguing illustrations; fiendish riddles, logic puzzles, and timed challenges unlock hidden doors and reveal the direction of travel; and mathematical problems provide the codes required to follow the correct path.