Product code: AVS3407

It's never to late to join the code breakers of Bletchley Park in their enjoyment of a devilish challenge!

When scouring the land for top-level code breakers, the Bletchley Park recruiters left no stone unturned. To assess these individuals they devised various ingenious mind-twisters - hidden codes, cryptic crosswords, secret languages, complex riddles - and it is puzzles such as these, together with the fascinating recruitment stories that surround them, that make up the backbone of this book. The code breakers of Bletchley Park were united in their love of a good puzzle. If you feel the same, why not dive in and put your mental agility to the test