Chrisman, Harry E.The Ladder of Rivers : The Story of I. P. (Print) Olive Chicago, Sage Books / Swallow Press, (1982). Hardcover Signed Inscribed by the author "For Patrick Kennedy -- Who shares my love for the old American West and its native people as well as the white immigrants who now occupy it. Best wishes! Harry E Chrisman". Very good book with a very good dust jacket.