Used Doraemon Science World 4-Book Set. - Series: Doraemon Science World - Title: The Wonders of Insects - Title: The Wonders of the Sea, the Origin of Life - Title: The World of Microbes - Title: The Wonders of Life Evolution and Fossils I haven't read them much, so they are relatively clean, but I haven't checked every page, so there may be some damage such as stains, scratches, or folds. Instant purchase is OK. Shipping via Yu-Packet Post. The price includes shipping. Thank you for looking.