Sudoku Puzzle Book 500 Extra Hard Puzzles

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 500 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.

Have fun while exercising your brain. Sudoku helps delay dementia by making your brain work in a different way and giving you a great sense of accomplishment. This single level book contains 500 puzzles. There are four puzzles per page and in case you get stuck the solutions are at the end of the book. 8.5" X 11"

Relieve boredom and stress by playing Sudoku. This big 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.

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

Sit down and enjoy a break with this sudoku puzzle book containing 1,000 puzzles, 500 hard and 500 extra hard. There are 4 puzzles per page and solutions are printed at the end of the book. 8.5" X 11"

Have fun while exercising your brain. Sudoku helps delay dementia by making your brain work in a different way and giving you a great sense of accomplishment. This jumbo book contains 1,000 puzzles with two levels of increasing difficulty to improve your game. There are four puzzles per page and in case you get stuck the solutions are at the end of the book. 8.5" X 11"

Sharpen up your brain with this jumbo book of 1,000 mind twisting sudoku puzzles with two levels of difficulty. Featuring 4 puzzles per page and solutions at the end. Look out for other Twisted Mind Puzzle Books.

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 1,000 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.