From krazydad, constructor of the wildly popular and addictive puzzles published in The New York Times as Two Not Touch, here are 360 of your favorite Star Batt

Perfect for sudoku fans—the rules for these 100 logic puzzles are simple, and the math is easy. But the puzzles get harder and harder! Once you match wits wit

Research in mathematics is much more than solving puzzles, but most people will agree that solving puzzles is not just fun: it helps focus the mind and increase

Game & Puzzle Design is a peer-reviewed research journal publishing high quality work on all aspects of game and puzzle design. The journal is published twice a

Get your brain working with 200 grid-based logic puzzles from the Puzzle Baron! Filled with complex and fun brain teasers that range in difficulty, this book wi