Sudoku Puzzle Book for Adults: 3000 Hard to Very Hard Puzzles with Full Solutions - Vol. 4 Paperback ? September 24, 2024 by Sudoku99 Team (Author)

Looking for the ultimate Sudoku challenge? The Sudoku Puzzle Book for Adults: 3000 Hard to Very Hard Puzzles with Full Solutions - Vol. 4 offers a thrilling mental workout for experienced solvers. With 3000 puzzles ranging from hard to very hard, this collection will keep your mind engaged and sharpen your logic skills.

Key Features:
- 3000 unique puzzles with difficulty levels ranging from hard to very hard
- Full solutions provided for easy 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.

🔍 Key Features

Hundreds of puzzles with structured difficulty
Includes full solutions
Each puzzle can be played and checked online using Sudoku ID
Printed on clean layout for focus and readability

🎯 Recommended For

This volume is perfect for those who want to sharpen their logic skills—from beginners to advanced solvers. If you enjoy progressive difficulty and want both offline and online play, this book is for you.

📦 Purchase

Buy on Amazon