Dan Croker has two obsessions - Sudoku and frogs. So he just had to combine his loves and make the Famous Frog Sudoku books. Take a break and relax with this Take A Break Series book containing 600 puzzles, with 300 easy and 300 medium difficulty. There 4 puzzles page page leaving plenty of room for notations and the fun and cheerful cover is sure to brighten your day. Solutions are given at the end of the book. More Famous Frog Sudoku series - Beach Bum Series, Bathroom Sudoku, Brain Yoga, Sharper Pencil Series and Travel Series.