666 Deadly Sudoku Puzzles: A collection of 666 hellish sudoku puzzles that will leave you breathless.

666 Deadly Sudoku Puzzles. A jam packed collection of 666 hellish puzzles that will leave you breathless. Only for the bravest of sudoku puzzlers.
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- The hardest Sudoku puzzles you have ever seen
- Full solutions at back of the book for every puzzle
- Bold numbers for original clues in the solution section.
- Excellent Value - Costs just 1.5c per puzzle

The buysudokubooks.com Guarantee

One often finds sudoku books with puzzles that have multiple solutions. This can waste a lot of time and drain a fair amount of ones sanity when it comes to solving puzzles.

Every puzzle in this sudoku puzzle book has been carefully checked by sudoku solving software. This guarantees you that each puzzle has only 1 possible solution.

All the puzzles in this book are unique and will not appear in any of the other www.buysudokubooks.com titles