The 200 puzzles in this collection of treacherously difficult puzzles will stretch even the most advanced Su Doku enthusiast. You will need to use all of your b

Su Doku makes every day just a little more fun. You don't need to be a mathematical genius to solve these puzzles; it is simply a question of logic and a little

A new collection of previously unpublished Fiendish Su Doku puzzles with the added bonus of 25 Super Fiendish puzzles Perfect for the advanced solver in need of

A new collection of previously unpublished Fiendish Su Doku puzzles with the added bonus of 30 Super Fiendish puzzles. Perfect for the advanced solver in need o

Part of Jumbo Sudoku series, this title includes over 275 puzzles. It also includes classic Sudoku as well as Samurai, Kakuro, Killer, and 'Son of Sudoku' (Futo