Famous Frog Sudoku 600 Puzzles With Solutions. 300 Hard and 300 Very Hard - Dan Croker - Bog

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 hard and 300 very hard. 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.