The Commodore 64 Programmer's Reference Guide from 1983 is a vintage book that serves as a valuable resource for programming enthusiasts and collectors alike. This first edition, 8th printing of the guide provides detailed information and insights on the Commodore 64 model, making it a sought-after item for those interested in retro computing. With its nostalgic charm and practical content, this book is a must-have for anyone looking to delve into the world of vintage computing. Includes schematics layout.