The "Guide to Electro-Motive E and f Units" by Jeff Wilson is a comprehensive soft cover book that provides detailed information on the iconic Electro-Motive E and f units. Written in English and published in 2022 in the United States, this book is a must-have for collectors and enthusiasts of railroadiana and trains. With insights and photographs, this guide offers a deep dive into the history and characteristics of these classic locomotives, making it a valuable addition to any collection. New, never read.