A monster collection of easy puzzles.

The 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 best

Amusing fitness, warm-up, training and positive energy for the brain. 60 sudoku killer puzzles 8x8 very hard levels. 60 sudoku killer puzzles 9x9 very hard leve

The second book in a brand new Daily Mail puzzle series, Daily Mail Big Book of Sudoku 2 contains over 400 sudoku grids. Whether you're on the go or at home, th

This book contains AI Escargot, the world famous sudoku puzzle which became the most difficult sudoku puzzle known in 2006. There are also several hints for sol