Approximately one-third of the book was copied, so there is no writing. There is a slight crease from the copying process. Also, there are folds on the bottom corners of about 5 pages (see photos). Please forgive any oversights as this is a casual inspection. Math puzzles to cultivate the ability to think enjoyably. - Title: Sansu-Nou Puzzle Nazo-Pee 1 - Target age: 5 years old and up - ISBN: 978-4-7942-2251-0 - Publisher: Kyoiku Shuppan - Price: 1100 yen Thank you for looking.