This fun-packed collection includes over 80 brain-training puzzles inspired by the genius mind of famous World War II codebreaker Alan Turing, brought to life with vibrant full-color illustrations. Published in association with the Turing Trust, this activity book includes code-crackers, logic puzzles, mathematical problems that have been specially designed to intrigue, challenge, and inspire young readers. Alan Turing appears as a character in the book, popping up with extra word problems or secret codes to challenge readers to think a little bit harder. A brief biography of the real Alan Turing is included, to give readers more information about this remarkable man.