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!

🔍 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