Dan Croker has two obsessions - Sudoku and frogs. So he just had to combine his loves and make the Famous Frog Sudoku books. This jumbo Beach Bum Series 1 book contains a massive 1,000 puzzles, 500 hard and 500 very hard, with 4 puzzles per page and a fun, quirky, colorful cover that 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. More Famous Frog Sudoku series - Beach Bum Series 2, Bathroom Sudoku Series 1 and 2, Easy Series, Hard Series, Medium Series, Extra Hard Series, Brain Yoga, Sharper Pencil Series, Giant Series, Take a Break, Holiday Sudoku and The Travel Series.