An illustrated encyclopedia introducing useful knowledge and techniques for daily life. I stored it at home after reading it once. I've included a photo of a noticeable stain in the third picture. There are no other folds or marks. - Title: Life Encyclopedia - Author: Ochi Toyoko - Illustrations: Hirano Eriko - ISBN: 978-4-8360-1429-0 - Price: 1600 yen Thank you for looking.