Ludlum, Robert, 1927-2001. The Ambler warning [sound recording] / Robert Ludlum. - Abridged. - New York : Audio Renaissance, c2005. - 6 sound discs (7.5 hrs.) : digital ; 4 3/4 in. Read by Scott Sowers. ISBN: 1593977824 Standard No.: 9781593977825 Subjects--Topical Terms: Psychiatric hospital patients--Fiction.Intelligence officers--Fiction.Identity (Psychology)--Fiction.Escapes--Fiction. Index Terms--Genre/Form: Psychological fiction.Suspense fiction.