MacMillan The Commodore 64 User's Guide ST533B36. Used.The product is a vintage book titled "The Commodore 64 User's Guide" by Macmillan. It is a comprehensive guide that provides users with detailed information on how to operate and troubleshoot the Commodore 64 computer. This book is a valuable resource for vintage computer enthusiasts looking to learn more about this classic piece of technology. Made in the United States, this book is a rare find for collectors of vintage computing manuals and merchandise.