I passed the civil servant exam for childcare workers this year!! Since I studied with it, it has been used a bit, and there are some stains, although they are not very noticeable. There are no markings inside. I think the contents are relatively clean. It's the 2023 edition, but it's sufficient for studying. I studied only with this book and the specialized exam book from the same series, and I passed. Please understand that this is a used item before purchasing. "2023 Edition: Suisui Wakaru Hoikushi Saiyo Kyoiku Shiken Mondai Shu (Easy-to-Understand Childcare Worker Recruitment General Knowledge Exam Problem Collection)" Hoikushi Saiyo Shiken Kenkyukai (Childcare Worker Recruitment Exam Research Group) Price: ¥1600 #HoikushiSaiyoShikenKenkyukai #book #society/social welfare