Just when you thought it was safe to pick up a pencil Killer Su Doku is based on the original Su Doku grid, with the same rules and numbers—1 to 9—but with

Expert Sudoku is an all-new collection of handcrafted puzzles for the expert puzzle-solver. This is the book that challenges skilled solvers and Sudoku-lovers a

Killer Sudoku Puzzle Book If you like Sudoku but want an extra challenge then you will love Killer Sudoku. Killer Soduku (also known as killer su doku, sumdoku,

Are You Searching For Sumdoku Puzzle Book? Then You Will Love This Book! Inside You Will Find Total 300 Sum-Doku Puzzles With Easy Medium And Hard Difficulty.Pu

Positive style. Suitable for adults. 6 puzzles per page. 1002 hard. Thick paper. Glossy cover. Killer sudoku may be called or searched with the following phrase