Revised Edition, SIGNED by author, in illustrated dustjacket. Clean blue cloth boards with silver lettering and decoration on cover, silver lettering on spine. No bumping or fraying. Binding is tight & square, no cracking. Pages and edges are clean. Clean endpapers illustrated with maps. Signed by author on the title page. 320 pp. with index. Illustrated with photographs, drawings and maps. Dustjacket is clean (hint of very faint soiling to rear panel), 1/4" chipping at top spine edge. Enclosed in new archival quality removable mylar cover. A detailed and thorough history of the early explorers and later interesting development of Yellowstone Park.