A children's picture book introducing the identity and how to eat koya-dofu (dried tofu). - Title: The Secret of Koya-Dofu - Series: Gakken Manga for Easy Understanding Series 162 - Target age: Children - Content: A picture book introducing the identity and how to eat koya-dofu - Illustrations: Features colorful illustrations Thank you for viewing. Due to home storage, there are wrinkles on the corners and minor scratches on the cover, but the inside is in good condition.