Build your logic and problem-solving skills -- and have fun along the way -- with this mammoth collection of sudoku puzzles!This collection brings together two complete large-print sudoku books, providing a grand total of more than 320 sudoku puzzles!Three levels of difficulty will keep puzzlers of all experience levels busy for hours on end.Since each puzzle is spread out on one full page, solving these puzzles will be easy on your eyes -- but not on your brain!Spiral binding allows for easy puzzling.384 pages.The book is divided into two sections, each numbered 1-192. The answers to the first (blue) section are found on pages 166-192 of that section.The answers to the second (red) section are found on pages 166-192 of that section, at the end of the book.