Feng shui is the ancient Chinese art of harmonious placement--and these puzzles, with their visual appeal, apply that idea to sudoku. Each handcrafted page feat
How sweet it is! Solvers will gobble up this delectable new sudoku variant with a tasty twist. No numbers appear within the central box to start, leaving a "don
Polyominoes will delight not only students and teachers of mathematics at all levels, but will be appreciated by anyone who likes a good geometric challenge. Th
When you focus on solving a puzzle, the problems of the world seem to slip away. It's a meditative, Zen process--and these 272 elegant, intricate sudoku, design