Howard, David 1974- The tools of screenwriting : a writer's guide to the craft and elements of a screenplay / David Howard and Edward Mabley - New York, N.Y. : St. Martin's Griffin, 1995 - 298 p. Includes bibliographical references and index ISBN: 0312119089 Subjects--Topical Terms: MOTION PICTURE AUTHORSHIPTELEVISION AUTHORSHIP LC Class. No.: PN1996 / H682T