Every Puzzle is created to have a single solution. Created by UK puzzle developer Andrew Stuart each puzzle is unique.
There are 100 Sudoku puzzles in each book ranging from Easy to Extra Hard.
We also have a great competition which links puzzles. You need to solve one puzzle before you can start the next. There are 9 of these throughout each book and you can win great prizes.
Each book will also have some Killer Sudoku's, X Sudoku's, Jigsaw Sudoku's and the Str8ts created by Andrew himself.
There is a great variety of Sudoku's for you to enjoy.