"Greenberg's Guide LIONEL TRAINS 1945-69 UNCATALOGUED Gauge Book First Edition" is a comprehensive guide for collectors and enthusiasts of model trains, specifically focusing on Lionel trains from 1945 to 1969. Published by Lionel themselves, this book covers various topics related to model trains, making it a valuable resource for anyone interested in the subject. With a focus on the detail and history of these specific trains, this first edition guide offers a unique insight into the world of model railroads and trains from the mid-20th century.