Great Big Book of Sudoku is a numerical brain-teasing collection of 696 puzzles. From easy to hard, including 94 special challenger puzzles for the accomplished Sudoku solver, this compilation of puzzles is designed for all levels of expertise. With 200 easy puzzles perfect for the beginner, and solving direction instructions to let you begin, this is the perfect collection to sharpen your Sudoku skills. Whether you are new to these super popular...