PATRICK, Q. [Richard Wilson Webb and Martha Mott Kelley]. Cottage Sinister. 8vo, publisher's red cloth stamped in black; dust jacket, tape repairs to verso, mostly at head and foot of spine panel mending closed tears, small nicks to fold corners and spine ends, rubbing with front panel faded; ownership signature to front pastedown. First edition of the author's first mystery novel. Hubin, p. 629. Philadelphia: Roland Swain Company, 1931