Each full-color, hardcover book contains hundreds of images and most volumes are 128 pages long. "In Color" series books cover railroads by roadname. "Trackside" series books cover railroad action as it relates to a geographical area. "Color Guide" volumes feature large images of railroad freight and passenger equipment - perfect for use as a modelers reference. A year-by-year look back at the Mainline Through the Rockies starting in 1947.