Bletchley Park Puzzles and Brainteasers - Sinclair McKay - Bog

Become a top-secret codebreaker and learn all about Bletchley Park and the incredible history of codebreaking! Crammed with crosswords, riddles, number games and brainteasers, and written by bestselling author Sinclair McKay, this book will delight budding puzzlers while giving children a rare glimpse into the fascinating work of Bletchley Park.