This is a scarce 1928 "Haynes New Guide and Motorists' Complete Road Log of Yellowstone National Park" by J.E. Haynes, official photographer of Yellowstone National Park. This revised edition is approved by the National Park Service department of the Interior. The guide contains more than 100 maps, photographs, illustrations, and diagrams. The guide is complete with the fold out map inside the back cover. The guide is bound with the Art Nouveau style boards on the front and rear. The Haynes Guide is in good condition. It measures 5" x 7". The fold out map measures 9" x 12".