Get your hands off your phone and grab a pencil to put your skills to the test! Esteemed puzzle master David Millar along with American Mensa® bring these brand-new logic and problem-solving puzzles in the form of both word and number challenges. The range of puzzle types include: Mazes Sudoku Story logic Blank-filling puzzles Riddles And more! The hours of brain-training fun will help you improve your memory and exercise those mind-muscles. This book can be used and appreciated by anyone who wants to keep their mind sharp and in tip-top shape—something absolutely everyone will benefit from.