My mind rebels at stagnation. Give me problems, give me work, give me the most abstruse cryptogram or the most intricate analysis, and I am in my own proper atm

Step into Sherlock's mind palace to try and solve 165 codes, sequences, logical problems, acrostics, quizzes, enigmas, and more in this official Sherlock book o

​Solve over 144 puzzles, navigate around maps of London and the English countryside, search for hidden clues, and—most importantly—exercise your sharp int

Solve puzzles, choose your path and solve the mystery in this official Sherlock puzzle book!

... Sherlock Holmes and ..John Watson have fascinated readers for well over a century and continue to be two of the most popular detective characters of all tim