This Will Definitely Keep You For A Very Long Time Have fun solving these 500 easy puzzles to challenge your brain! Large print and good for the eyesight. Easy to read and solve even in dim light. This is a large print sized book 8.5" x 11". It is convenient to carry into your travel your bags. Enjoy your long trip and relax with sudoku puzzles on the go. Make it more interesting by tearing a page or two along with you to keep yourself busy at camps, in buses or trains. The quality print paper of this book contains two puzzles per page and the paper fits well to perfectly erase when you make mistakes. What you will get 500 sudoku puzzles with two per page Each of the puzzle has one solution (Check the back of the book to verify your answer when you feel like) Extra inner margins to make it easier to solve the puzzles.