Think fast! This book will test your logic skills to their limits.Published in association with the Turing Trust, this fun-packed, black-and-white collection of puzzles has been specially designed to intrigue, challenge, and inspire young readers.Sales of this book support the work of The Turing Trust, the charity set up by Alan's family in his memory to provide much-needed computers to schools in Africa. Guaranteed to provide hours of entertainment for children aged 7+.