Are you ready to rise to the ultimate brain-training challenge? If so, Colormazen Very Hard Sudoku Puzzle Book will be your perfect take-anywhere companion. With 100 very hard puzzles guaranteed to sharpen your mind and keep you thoroughly entertained, this collection is a real treat for anyone who loves Sudoku.

Working the puzzles in this book can provide a vigorous mental workout for virtually everyone from teenagers to senior citizens, all while fitting within the theme of Sudoku.

Included in Colormazen Very Hard Sudoku Puzzle Book - Volume 17

• 100 Very Hard Sudoku Puzzles
• All Sudoku solutions at the back of the book.
• Printed one per page.
• In a large 8.5" x 11" book (21.59 x 27.94 cm).

-- And so much more!

Activate your brain cells and grab a pencil - Colormazen Very Hard Sudoku Puzzle Book - Volume 17 is here to provide you with hours of challenging entertainment, one page at a time!

Buy your copy today