Designed to present a tough challenge, these puzzles are divided into three levels of difficulty, the final of which is for true experts. This sudoku collection includes a foreword written by Sir Dermot Turing, nephew of Alan Turing and trustee of Bletchley Park, the former British codebreaking HQ where Alan Turing worked....

Inspired by the genius problem-solving skills of World War II codebreaker Alan Turing, these puzzles are divided into three levels of difficulty, the third being truly expert. Set your mind to work and see whether you have the skills to become a Bletchley Park IQ genius....

Alan Turing is often called the father of modern computing. During World War II, he worked at Bletchley Park, where top secret work was carried out to decipher the military codes used by Germany and its allies....

Published in association with the Turing Trust, this challenging collection of more than 120 puzzles will put your number and logic skills to the test. Follow in the footsteps of famous World War II codebreaker Alan Turing who used impeccable logic to decipher the military codes used by Germany and its allies....

Published in association with the Turing Trust, this challenging collection of word-based puzzles will stretch, puzzle and entertain you for hours. It offers the puzzle enthusiast a tough, but enjoyable, challenge, with puzzles of many varied types. Alan Turing is often called the father of modern computing....

This collection of over 130 puzzles are divided into three levels of increasing difficulty, the final of which is intended for the true expert. These include: • Anagrams • Logic puzzles • Homonym tests • Number encryption • And more!...

Alan Turing is often called the father of modern computing. During World War II, he worked at Bletchley Park, where top secret work was carried out to decipher the military codes used by Germany and its allies....

Alan Turing is often called the father of modern computing. During World War II, he worked at Bletchley Park, where top secret work was carried out to decipher the military codes used by Germany and its allies....

Follow in the footsteps of famous World War II codebreaker Alan Turing who used impeccable logic to decipher the military codes used by Germany and its allies. These expert puzzles offer a tough but enjoyable metal work-out, with puzzles in three levels of difficulty....

Follow in the footsteps of famous World War II codebreaker Alan Turing who used impeccable logic to decipher the military codes used by Germany and its allies. These expert puzzles offer a tough but enjoyable challenge, with puzzles of many varied types. Puzzles include: • Hidato • Number link • Skyscraper • Brickwork • And more!...