First edition, May 1839, of which 400 copies were printed; the first book printed in the Nez Percés Indian language in an alphabet devised by the author. The 2d edition, August 1839 (500 copies) and later publications, were printed in the revised (Pickering) alphabet. cf. H.M. Ballou's "History of the Oregon Mission Press" in Oregon Hist. Soc. quarterly, v. 23, no. 1, March 1922.