Dixon Franklin W. Au. Hardy boys no. 69 mayhem in motion - New York Pocket Books USA 1992 - 154p. cm. ISBN: 067173105X (pbk) Indian Rupees 72 Standard No.: 39160 Source: Gift, 08/09/2018, Textual Subjects--Topical Terms: ENGLISH LITERATUREENGLISH FICTION Dewey Class. No.: O111,3DI,MB, N2