Master Sudoku With This Comprehensive Guidebook... The addictive Sudoku puzzle has captivated millions of people across USA, UK, Australia, India and other countries. This book is intended to help a beginner understand the puzzle and learn how to solve it. Those already conversant with sudoku will discover a variety of secret tools and strategies to crack even the toughest puzzles with ease. The 100-plus puzzles in this book offer different levels of difficulty for "puzzles buffs" to crack. In addition, you get a chance to join the Sudoku Lovers Club, a worldwide community of sudoku enthusiasts and share puzzles, techniques and strategies. Dhaval Bathia is a 22-year-old student. He is a renowned mathematician, orator and best-selling author of two books. His presentations have appeared in a number of newspapers, television shows and radio channels.