Elegant Travel Size Sudoku Puzzles that easily fits in a Purse or Pocket. 150 Sudoku Puzzles: 3 mini-levels of difficulty - 50 Easy-Medium, 50 Medium, 50 Medium-Hard - Layout: 9 X 9 - Puzzles: 2 puzzles per page - Book Size: 4 inches X 6 inches - Solutions: For all puzzles at the back of the book Perfect Gift Teens, Mom, Dad, Grandparents - Birthday - Christmas and Stocking Stuffers - Anniversary