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.