The ultimate Sudoku title: not just a puzzle book, but a comprehensive encyclopedia of the phenomenon to date, featuring every major variant ever created. Here

Do you have a song that's stuck in your head? The most effective way to get rid of that is by solving easy Sudoku puzzles. When you try to complete each puzzle,

"Sudoku is primarily a logic puzzle, requiring you to discover the correct arrangement of the numbers 1 to 9 in interlocking rows and columns. Kakuro, by contra

Featuring 400 new puzzles, this is the biggest and best collection of Sudoku ever. Here is the biggest and most varied book of Sudoku puzzles ever compiled. Ove

Here's the biggest and most exciting book of sudoku puzzles ever compiled. Over 400 new puzzles designed to satisfy all levels from beginner to expert are featu