The biggest and best book on this number puzzle phenomenon, produced by the UKs bestselling TV presenter and number-cruncher. Carol Vordermans collection contains over 200 Sudoku puzzles and step-by-step instructions to help you complete your puzzle in record time! Watch as Carol talks you through entire puzzles, eliminating guesswork and fine-tuning your skills. There ar The biggest and best book on this number puzzle phenomenon, produced by the UKs bestselling TV presenter and number-cruncher. Carol Vordermans collection contains over 200 Sudoku puzzles and step-by-step instructions to help you complete your puzzle in record time! Watch as Carol talks you through entire puzzles, eliminating guesswork and fine-tuning your skills. There are also against-the-clock time challenges and a scoreboard to help you measure your growing skill. The definitive guide to the fiendishly addictive number puzzle.