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,

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

Killer-Sudoku puzzle booklet 200 heavy killer-Sudoku puzzles in grid 9x9 for all, for which normal Sudoku is not enough.In the compact format for on the way, on

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

Extreme Sudoku Puzzle Book If you are an expert at Sudoku but want an extra challenge then you will love our Extreme Sudoku Puzzles. Featuring 156 Puzzles of 3