Pocket Sudoku Book for Adults: 200 Hard to Very Hard Puzzles ? Compact Travel Size with Full Solutions (Vol. 4) Paperback ? October 8, 2024 by Sudoku99 Team (Author)

Looking for a compact Sudoku book that offers a serious challenge? This Pocket Sudoku Book for Adults features 200 puzzles ranging from hard to very hard difficulty, designed to push your problem-solving skills to the next level. Whether you're traveling or enjoying a quiet moment, this 4 x 6-inch travel-size Sudoku book is the perfect companion. With full solutions provided for every puzzle, you can easily track your progress and sharpen your skills.

Key Features:
- 200 unique puzzles ranging from hard to very hard difficulty
- Compact 4 x 6-inch size, perfect for on-the-go solving
- Full solutions provided for each puzzle
- Play online: Solve the same puzzles on Sudoku99.com by entering the Sudoku ID from the book
- Perfect for advanced solvers seeking a challenge

Challenge yourself with this engaging and portable puzzle book, ideal for keeping your brain sharp and entertained wherever you are.