600 Sudoku Puzzles Hard And Extra Hard

Work your Sudoku playing level up from hard to extra hard difficulty with this book of 600 puzzles. There are 300 hard and 300 extra hard, printed with only 4 puzzles per page to leave space for notes. Solutions are given at the end of the book. 8.5" by 11".

Sit down and enjoy a break with this book of 600 Sudoku puzzles, 300 hard and 300 extra hard. There are 4 puzzles per page and solutions are printed at the end of the book. 8.5" X 11"

Sharpen up your mind and improve your memory by playing Sudoku every day. Sudoku stimulates your mind, increases concentration and makes you feel happy by giving you a sense of accomplishment. It is said it can also reduce the chance of developing Alzheimers. This Sudoku puzzle book contains 600 puzzles with a single level of difficulty, so there are no wasted puzzles. There are 4 puzzles per page and solutions are at the end of the book.

Active Brain Series bumper book of 600 Sudoku puzzles with solutions. With 300 hard and 300 extra hard puzzles. Sudoku is a fun way to exercise your brain and there are plenty of puzzles in this book to give it a really good workout! The book is 8.5" by 11" and has 4 puzzles per page.

Relieve boredom and stress by playing Sudoku. With two levels of difficulty this Sudoku Puzzle Book will soon improve your game. There are 4 puzzles per page and solutions are at the end of the book.

Get your challenging sudoku puzzle books today! If you are tired of all of those sudoku books with all of the different levels and only want the hard puzzles, this is the sudoku books for adults or kids you're looking for!

Sharpen up your mind and improve your memory by playing Sudoku every day. Sudoku stimulates your mind, increases concentration and makes you feel happy by giving you a sense of accomplishment. It is said it can also reduce the chance of developing Alzheimers. This Sudoku puzzle book contains 600 puzzles, with two levels of difficulty to help take your game to the next level. There are 4 puzzles per page and solutions are at the end of the book.

Relieve boredom and stress by playing Sudoku. This single level sudoku puzzle book contains plenty of puzzles to keep you busy for many hours. There are 4 puzzles per page and solutions are at the end of the book.