Sudoku is the fiendishly addictive number puzzle that has taken the media by storm. The immediate master and commentator on this phenomenon was the bestselling Carol Vorderman. Her book contains over 200 puzzles, more puzzles than any other on the market. It also contains step-by-step instructions to help you complete your puzzles swiftly. Watch as Carol talks you through entire puzzles, eliminating guesswork and fine-tuning your skills. She has invaluable tactics and training tips up her sleeve to help you crack the puzzles in record time! The book is structured so that Carol teaches new skills at each stage the puzzles increase in difficulty. There are also against-the-clock time challenges and a scoreboard to help you measure your growing skill.