This book is fantastic for experts. These sudoku puzzles are great for experienced. It will allow you to improve and eventually master the rewarding game of sudoku. Hard yet challenging brain teasers. Play at home and whilst traveling. 100 Sudoku 9 x 9 Puzzles Large 8.5 x 11 inch Book Layout Easy to read (1 Puzzle per Page) Solutions Included Challenge yourself and keep your mind young and sharp with these brain-bending games and puzzles. Try one to get your brain going in the morning, or work together to solve with your friends and family!