Do you like to use your spare moments indulging in Sudoku? If so, Colormazen Hard Sudoku Puzzle Book will be your perfect take-anywhere companion. With 200 puzzles guaranteed to sharpen your mind and keep you thoroughly entertained, this collection is a real treat for anyone who loves Sudoku. Are you ready to rise to the ultimate brain-training challenge?

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 Hard Sudoku Puzzle Book Volume 19: -

• 200 Hard Sudoku Puzzles
• Large Print 8" x 11.5" Book (21.59 x 27.94 cm)
• Full Instructions and Sudoku Tips.
• Sudoku Solutions.

-- And so much more!

Activate your brain cells and grab a pencil - Colormazen Hard Sudoku Puzzle Book Volume 19 is here to provide you with hours of challenging entertainment, one page at a time!