Softcover, 42 pages. National Park Service, 1935. In very good condition, cover has small soil mark on front cover, covers toning from age. Interior is clean and bright. Photos, maps, diagrams, fold-out map pasted to inside of rear cover, inside of rear cover also has USA map with national parks depicted. A visitor's guide to the park for the season of June 20 to September 12, 1935.