The "Refrigeration Reference Notebook" by Harry D. Busby, published in 1968 by Nickerson & Collins Co., is a vintage paperback book focusing on the topic of refrigeration. Written in English, this book serves as a valuable resource for anyone interested in learning about refrigeration systems and technology. With a softcover binding, this book offers insights and information on refrigeration practices from that era, making it a fascinating collectible item for enthusiasts in the field.