- Title: Science Mystery Book - Target Grade Level: Elementary School Grades 3-4 - Author: Masanobu Takasei, Chie Kawabata - Price: 1200 yen (excluding tax) Purchased new at a bookstore. Stored at home after reading it a few times. There are no markings inside. As shown in the last photo, there is a slight fold on the inside of the back cover, so please check the condition. There are small page-turning wrinkles from reading and some scuffs and wear on the cover from storage, but there are no markings inside, and I think the inside is in relatively good condition. I would appreciate it if those who understand that this is a book that a child has read and that it has been stored at home would purchase it. There are no pets or smokers in the household.