2025 Sudoku Puzzle Book for Adults: 1000 Hard to Very Hard Puzzles with Full Solutions - Vol. 4 Paperback ? October 5, 2024 by Sudoku99 Team (Author)

Looking for the toughest Sudoku challenges in 2025? The 2025 Sudoku Puzzle Book for Adults: 1000 Hard to Very Hard Puzzles with Full Solutions - Vol. 4 is designed for experienced solvers who want to test their problem-solving abilities. With 1000 puzzles ranging from hard to very hard difficulty, this book offers hours of stimulating and rewarding challenges.

Key Features:
- 1000 unique puzzles from hard to very hard difficulty levels
- Full solutions provided for quick reference and progress tracking
- 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

Order your copy today and push your Sudoku-solving skills to the limit in 2025!