There is a slight crease on the cover. The inside is clean. A reference book for elementary school students' independent research, rich in examples of experiments, crafts, and more. - Title: Perfect Independent Research for Elementary School Students: 3rd and 4th Grade - Target Grade Level: 3rd and 4th Grade - Contents: Examples of experiments, crafts, observation, and research - Publisher: Nihon Bunkyo Shuppan Thank you for looking.