88pp, with maps, illustrations, tables etc. In orange stiff card covers with brown lettering and illustration. Stapled booklet. Very slightly rubbed at spine ends, previous owner's name on first page, else neat, clean and bright throughout. 16mo. Includes 20 day hiking routes, with descriptions, directions and maps, through Yellowstone National Park; overview of the history of the Park, its geology, plant and wildlife facts, forest fire accounts and back country geyser information.
