Your orders have arrived. Report to Bletchley Park and prepare to put your codebreaking skills to the test.
 
Sharpen your pencil, keep your wits about you and get cracking on some fiendishly challenging puzzles. From secret messages and cunning ciphers to ingenious codes and perplexing logic problems, can you solve your way through the extraordinary world of Britain's wartime codebreakers?
 
Along the way, discover the remarkable story of Bletchley Park - from the famous Victorian mansion and hastily built huts to the 9,000 people who worked there at its peak. Meet the Wrens operating Colossus, the indexers piecing together vital enemy intelligence and the radio operators listening for messages from across the world.
 
Packed with brand new puzzles inspired by the people, machines, secrets and ingenious methods, The Official Bletchley Park Puzzle Book invites you to step inside the home of British codebreaking and discover its fascinating history - one puzzle at a time.
 
Your mission starts here.
 
Size: 152mm x 233mm x 23mm
Paperback
No. pages: 336
Publisher: Headline Publishing Group
Published: 22 Oct 2026