Description

Bletchley Park was the British codebreaking HQ during World War II, gathering together the most brilliant problem-solving minds in the country. Follow in the footsteps of these men and women, puzzling through a variety of popular challenges.

These include:
– Number crunch
– One to nine
– Isolate
– Pyramid plus

Some of these puzzles feature beginner, intermediate and advanced solutions so you can tailor it to your own abilities. You can also fill in your finishing times on each page, and watch as your speed improves!

9781788280419