PIRSIG, R.M. Zen and the art of motorcycle maintenance. An inquiry into values. NY, W. Morrow & Co., Inc., 1974. (2), 412 pp. Ohcl., w. silver lettering to spine and blind stamped monogram ('R.M.P.') on front side, w. unclipped dust-j. - First edition. Signed by the author on the first endpaper. F/F.