Sudoku Puzzle Book for Adults: 3000 Very Hard to Extreme Hard with Full Solutions - Vol. 5 Paperback ? September 25, 2024 by Sudoku99 Team (Author)

Looking for the most challenging Sudoku puzzles? The Sudoku Puzzle Book for Adults: 3000 Very Hard to Extreme Hard Puzzles with Full Solutions - Vol. 5 is crafted for expert solvers who want to push their Sudoku-solving abilities to the limit. With 3000 puzzles ranging from very hard to extreme hard, this book will provide countless hours of intense mental stimulation.

Key Features:
- 3000 unique puzzles with difficulty levels from very hard to extreme hard
- Full solutions provided for quick reference and tracking your progress
- 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.