Kagakuru BOOK Science Manga Survival Series, set of 4 books. ・Night Safari Survival ① ・Water Shortage Survival ・AI Survival ② ・Theme Park Survival The "Water Shortage Survival" book has some stains on the spread. Please check the condition in the photos. These books were read by children, so there are some scratches and signs of use on the covers, but there are no tears or writing, and there are no problems with reading them. As they are educational manga, you can learn science and scientific knowledge while having fun. Recommended for elementary school students. We will ship with waterproof packaging. *Please purchase only if you understand that these are used items.