A book detailing the evolution of transistor radios. - Title: Zenith Transistor Radios: Evolution of a Classic - Author: Norman Smith - Contents: A guide to transistor radios - Pages: Full-color photos and detailed information Available for immediate purchase. Thank you for looking. It has been carefully stored in a dark place, but as it is an old book and a used item, please refrain from purchasing if you are concerned. The colors and design are lovely. I think it's wonderful to open and look at, or to display. Transistor radio Transistor radio Catalog Photo album