This book with hundreds of hours of fun inside makes a great gift! This Sudoku puzzle book contains 915 puzzles with a single level of difficulty, so there are no wasted puzzles. There are 4 puzzles per page and solutions are at the end of the book. We've had your entertainment and convenience in mind when designing this book and thought about the small details which make a difference: ★ Wide center margins making it easier to work on the puzzles when you open or fold the book ★ This also makes it easy to tear out the pages if you want to ★ Bigger font and better quality paper than newspapers and magazines - easy to read and write on without worry of bleed through ★ Problem levels has been expertly assessed for consistency ★ 6 problems per page and answers at the end of the book