Set of two educational picture books for children. Slightly larger hardcover books. Both the photos and illustrations are beautiful. They are larger than A4 size, so shipping costs will be higher. If you are okay with Eco-Mercari shipping, your cooperation would be appreciated. - Title: The Tiny, Tiny World of Invisible Microbes - Title: Fermentation - Cover Design: Illustrated, with dust jacket - Features: Children's picture books - Content: Contains educational elements - Language: Japanese Thank you for viewing. These are new purchases, stored at home. Please understand this before purchasing.