1000+ Hard Sudoku Puzzle Book: Puzzles with Solutions for Adults - Paperback

by Collin Deloach (Author)

This Sudoku book is perfect for those who have some experience with the game and are looking for a challenge.

• The book contains more than 1,000 puzzles of Hard level.
• Big grid size, with 6 puzzles on each page.
• Hours of entertainment and challenge.