This comprehensive guide by Robert J. Osterhoff and Alan T. Weaver is a must-have for any collector or enthusiast of Lionel model trains. It provides detailed information on identifying and using original parts and instruction sheets for prewar Lionel trains. With a focus on small business, this trade paperback book is a valuable resource for anyone looking to expand their collection or start a new hobby. The 352-page book is published by Kalmbach Media Co. And is illustrated with yes.