Extensive coverage of every aspect of railroading other than what is purely historical in aspect. Begins with basic elements, -- the track and its behaviour, the gauges, the laying of the line, bridges, tunnels, wires, signals. ..Then on to the story of steam, oil, gas, juice, cars, passenger and freight; checkups along the line; terminals, supplies, speed gains and modernizing of service -- on to the railroads in war. Excellent and authentic behind the picture of the flow of commerce, transportation, organisation, ingenuity that make up the business of railroading. Book for men and boys.