Hard-cover book with dust jacket, "Denver South Park & Pacific, A History of the Denver South Park & Pacific Railroad and Allied Narrow Gauge Lines of the Colorado & Southern Railway Company", by M. C. Poor, published by the Rocky Mountain Railroad Club, copyright 1949. This is the limited first edition (#709 of 1,000), signed by M. C. Poor. There are 493 pages with numerous b/w historic photographs, and 4 fold-out maps & reproduction timetable in the back pocket.