Sudoku Puzzle Book for Adults: 5000 Very Hard to Extreme Hard with Full Solutions - Vol. 5 Paperback ? September 23, 2024 by Sudoku99 Team (Author)

Looking for the most difficult Sudoku puzzles available? The Sudoku Puzzle Book for Adults: 5000 Very Hard to Extreme Hard Puzzles with Full Solutions - Vol. 5 is designed for expert solvers seeking the toughest challenges. With 5000 puzzles ranging from very hard to extreme hard, this collection is perfect for those looking to push their problem-solving skills to the limit.

Key Features:
- 5000 unique puzzles from very hard to extreme hard difficulty levels
- Full solutions provided to track your progress and verify your solutions
- 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.