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 Volume 4 EBook contains total of 228 puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction

Maiden’s Bay is a small, scenic town on the Oregon Coast where citizens get their number fix thanks to Liza Kelly—Sudoku Maven with the Oregon Daily. Her ch

Killer Sudoku Puzzle Volume 5 EBook contains total of 228 puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction

Killer Sudoku Puzzle Volume 2 EBook contains total of 228 puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction