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 Beach Bum Series book containing 600 puzzles, 300 medium and 300 hard. With only 4 puzzles page page there is plenty of room for notations. The fun and colorful cover is sure to brighten your day. Of course, you don't have to be on the beach to do these puzzles! Solutions are given at the end of the book. Look out for many more Famous Frog Sudoku books.