In this book noted model railroad author Tony Koester explains how steam, diesel, and electric servicing facilities work, with details on the processes and equipment that can be replicated on model railroad layouts. The author also includes an overview of locomotive maintenance, model railroad track plans, and modeling examples of locomotive servicing terminals plus prototype photos of servicing terminals, roundhouses, turntables, sand houses, towers, and more. The book has 96 pages and includes 180 color photos.