Crack the Code: 100 Number Puzzles Inspired by Alan Turing Sharpen your wits with these super smart puzzles, worthy of the world-famous codebreaker, Alan Turing! Alan Turing was a mathematical genius whose code-breaking skills helped save many lives during World War II. This brain boosting activity book is inspired by his puzzle-solving skills, containing over 100 logical reasoning puzzles, sudokus, number deductions, sequence puzzles, and more. So put your thinking cap on and prepare to tap into your inner Turing as you tackle these number conundrums. When you buy this book, you are supporting the work of The Turing Trust, a charity set up by Alan’s family to give disadvantaged communities access to computers. Guaranteed to provide hours of entertainment for children aged 7+. ABOUT THE SERIES: Alan Turing’s Puzzle Machine brings together a variety of brain training puzzle books, inspired by the ingenious World War II codebreaker Alan Turing. Young readers can follow in his footsteps by solving these head-scratching conundrums.