★Due to shipping costs, I am listing these separately, one book at a time. If you would like to purchase both books, please let me know in the comments. I will offer a discount.★ A children's picture book that teaches how machines work in a fun way. Shows some signs of use. No cover. For those who understand that this is a used item, thank you. - Title: Picture Book of How Machines Work - Publisher: Gakken - Language: Japanese - Illustrations: Contains many illustrations of machines and tools - Target Age: Children - Contents: A picture book for learning how machines work Thank you for looking.