This comprehensive book on Bandai's hit Soul of Chogokin series covers the first SOC release, GX-01 Mazinger Z, up until the September 2004 release of GX-24 Tetsujin 28. The book includes tons of shots of the SOC figures in various poses, combinations, and transformations, its accessories and weapons, pictures of test shot versions of the figures, as well as detailed information and pictures of all variant versions and exclusive SOC figures. Not only does the book cover SOC figures, but Soul of Popinica figures are also in the spotlight with tons of shots and information for each released item. Near the end of the book, there are several interviews with the creators of the series plus dozens of concept sketches of the SOC robots. It's an excellent book that every SOC fan should have in their collection.