New York: St Martin's, (1988). SIGNED hardcover first edition - The seventh suspense novel featuring Homer Kelly, Thoreau scholar, professor of American literature and ex-lieutenant detective for Middlesex County, who is asked to
investigate a series of bizarre pranks at the Isabella Gardner Museum in Boston. Pranks which escalate into a bomb threat, the theft of two famous paintings, and murder. Illustrated by the author with 55 line drawings. SIGNED by Langton on the second half title page with a drawing of "Red Rose Saloon - Another Boston Cultural Center!" Includes a list of the works of art shown. 353 pp. ISBN: 0-312014791.