For more information, just click on the book cover.

There are 208 puzzles to solve in this Sudoku adventure.
Each puzzle brings the hero closer to saving humanity.
With every level reached, there will be a free download with further Sudoku puzzles.

Handy paperback with 600 easy sudoku puzzles.
All puzzles with solutions.
6 puzzles on each side in a handy format

Handy paperback with 600 medium sudoku puzzles.
All puzzles with solutions.
6 puzzles on each side in a handy format

Handy paperback with 600 hard sudoku puzzles.
All puzzles with solutions.
6 puzzles on each side in a handy format

Handy paperback with 600 very hard sudoku puzzles.
All puzzles with solutions.
6 puzzles on each side in a handy format