Hard Sudoku Puzzle Book, 9x9

Do you like numbers and a good challenge? All 400 puzzles in this book are Hard. Take it with you when you need to kill some downtime, but also want to take a break from your phone or tablet. * 6" x 9" paperback * 400 puzzles * 156 pages * Solutions in the back ISBN: 9781953383105 These are brand new books shipped directly from the publisher. Shipping & Handling: A flat fee of $5.00 covers the shipping for 1 - 3 books ordered from this seller in the same transaction. Feel free to mix and match the books you order. Orders ship from Indiana and will have tracking numbers provided.