Sharpen your brain and have fun while doing it by solving these stimulating Sudoku puzzles. Consistent Sudoku puzzle solving will improve your logic and problem-solving skills, improve your memory and make critical thinking effortless. Don't wait! There are different levels in this book to tackle; from easy, medium to hard, you will enjoy every stage and the feeling of accomplishment they will deliver. There are: •300 Sudoku Puzzles and Solutions•100 Easy•100 Medium•100 Hard•2 Puzzles per page•Vital Tips and Tricks for Solving SudokuIt's the perfect straightforward brain-challenging Sudoku puzzle book!