It's A Numbers Crunch! Extreme Puzzles - Sudoku Very Difficult Edition - Bok av Puzzle Pulse - Häftad
Be warned, the Sudoku puzzles in this book are very difficult. If you are new at this game, this is not the book for you. However, if you are already an expert at spotting number patterns and would like a new challenge, then pick up a copy today. How fast would it take you to complete a puzzle? Find out today!