Published in association with the Turing Trust, this challenging collection of logic puzzles will stretch, puzzle and entertain you for hours.
It offers the puzzle enthusiast a tough, but enjoyable, challenge, with puzzles on many fascinating themes.
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.
Turing played a pivotal role in.