THE FOURTH SIDE OF THE TRIANGLE. New York: Random House, . Octavo, cloth. First edition. According to Douglas Dannay, this novel was written by Avram Davidson from a 71-page outline by Frederic Dannay, with Davidson's completed manuscript then revised by Dannay and Lee. Previous owner's stamp on front free endpaper, a very good copy in very good dust jacket. (#83900).
First printing so stated on copyright page.