Published in association with The Turing Trust, this challenging collection of IQ puzzles will stretch, puzzle and entertain you for hours. 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. These tests include: - Lateral thinking puzzles - Math word problems - Raven matrices - Logical reasoning puzzles - And many more. Sales of this book support the work of The Turing Trust, the charity set up by Alan Turing's family in his memory to provide much needed computers to schools in Africa. It is introduced by Sir Dermot Turing, the nephew of Alan Turing and trustee of Bletchley Park.