Respected expert Tony Koester teaches modelers how real railroads operate trains and how to apply those methods to their own model railroads in this extensively updated edition. Learning about timetable-and-train-order operation, as well as how cars are switched, how yards function, how signals work, and more, provides an added dimension of realism and fun for modelers, keeping the hobby fresh and exciting Manufacturer: Kalmbach. Model Number: 12480. Category 1: Books and Media. Category 2: Other.