Sudoku Puzzle Book for Adults: 2000 Hard to Very Hard Puzzles with Full Solutions - Vol. 4 Paperback ? September 27, 2024 by Sudoku99 Team (Author)

Looking for the ultimate Sudoku challenge? The Sudoku Puzzle Book for Adults: 2000 Hard to Very Hard Puzzles with Full Solutions - Vol. 4 is designed to push your problem-solving skills to the limit. With 2000 puzzles ranging from hard to very hard, this collection is perfect for experienced solvers who are ready to take on some of the toughest Sudoku puzzles.

Key Features:
- 2000 unique puzzles from hard to very hard difficulty
- Full solutions provided for easy progress tracking and reference
- Play online: Solve the same puzzles on Sudoku99.com by entering the Sudoku ID from the book
- Large 8.5 x 11-inch format for clear, easy-to-read puzzles.

Get your copy today and experience the most challenging Sudoku puzzles with this extensive collection!