● Gakken Manga: A Well-Understood Series 168 The Secrets of Copper Manga by Ikuo Yamaguchi Composition by YHB Editorial Planning There are wrinkles, but it's not completely folded. No cover. ● This book provides a very detailed look at copper, including its properties, history, and uses, as well as the mining and refining processes. It's also useful for summer vacation research projects.