This stylish sudoku collection contains over 100 mind-bending puzzles, produced by the Bletchley Park Trust.

Bletchley Park was the British codebreaking HQ during World War II, who deciphered encrypted messages from enemy forces. Bletchley Park once used a crossword competition to select new recruits, and puzzles and codebreaking have been linked in the public mind ever since.

Whether you are a keen beginner or a seasoned puzzler, each of these varied sudoku grids will leave you much to ponder and deduce. So follow in the footsteps of the Bletchley Park codebreakers and hone your puzzle-solving skills with this brilliant book.

ABOUT THE SERIES: This book forms part of a series of puzzles books produced by the Bletchley Park Trust, a vibrant and fascinating heritage site celebrating the World War II codebreakers who were stationed there. Sales of this book support its running.