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!