Stretch your mind with 4 levels of puzzles, from easy to diabolically difficult! Includes easy-to-follow instructions to help you solve all levels and types of Sudoku puzzles Complete with puzzle-solving strategies plus 240 new puzzles, Sudoku For Dummies, Volume 2 helps you master the art of solving all types of Sudoku Puzzles, whether you're new to Sudoku or a daily puzzle solver. It includes 9 x 9 puzzles, 16 x 16puzzles, and even mind-bending circular puzzles. Each has adifficulty rating so you'll know what you're getting into plus answers so you don't lose sleep! Sudoku For Dummies, Volume 2 gets newcomers hooked and keeps experts entertained. Discover how to Solve the popular 9 X 9 puzzles -220 included Work through the 16 X 16 puzzles -10 included Master the Circular puzzle -10 included Solve puzzles at 4 difficulty levels: Easy, Tricky, Tough, and Diabolical!