The next in our new series of only the hardest puzzles for serious sudoku solvers Do you have what it takes? These 200 challenging sudoku puzzles from Will Shor

The first in a new series: hard puzzles for serious sudoku solvers. Do you have what it takes? These 200 challenging sudoku puzzles from Will Shortz will keep y

KenKen can be described simply as sudoku with basic math (addition, subtraction and/or multiplication and division). It's a fun, addictive, clever puzzle that's

Will Shortz Presents Pocket Puzzle a Day: Sudoku is the perfect travel companion. It's stylish and compact design makes it easy to bring along on any trip wheth

The puzzle phenomenon keeps on growing with these 150 fast, fun, and addictive logic puzzles. Original.