Sudoku Puzzle Book for Adults: 1000 Hard to Very Hard Puzzles with Full Solutions - Vol. 4 Paperback ? September 30, 2024 by Sudoku99 Team (Author)

Are you ready to tackle the most challenging Sudoku puzzles? The Sudoku Puzzle Book for Adults: 1000 Hard to Very Hard Puzzles with Full Solutions - Vol. 4 is crafted for expert solvers seeking a real test of their logic and problem-solving skills. With 1000 puzzles from hard to very hard levels, this book will push your abilities to their limits and keep you entertained for hours.

Key Features:
- 1000 unique puzzles with difficulty levels from hard to very hard
- 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.