Jeff Wilson's new book, Guide to North American Diesel Locomotives, offers more than 300 pages of detailed information on diesel locomotives produced in North America from the 1930s to today the diesel era. An essential reference guide for model railroaders and train enthusiasts, this comprehensive reference book includes: All-time rosters for more than 100 major railroads in the U.S. and Canada through the 1970s. Spotting features on all major locomotive types produced. Characteristics and operation of diesel locomotives.