New York: Duell, Sloan, & Pearce, 1942. First Edition. A locked-room mystery (with science fiction elements) set in Los Angeles, the second of two novels Boucher wrote under this pseudonym. Someone is trying to kill science fiction author Hilary Foulkes; Detective Terry Marshall, of the Los Angeles Homicide Squad, and Sister Ursula, a nun, are engaged in a race to keep the killer from succeeding. A Haycraft-Queen Cornerstone title. Hubin, p.203; Bourgeau, p.19. Item #3526
First Printing. Octavo (19.25cm); black cloth, with titles stamped in blue on spine; dustjacket; ,279,pp. Some trivial wear to lower front board edge, else Fine. Dustjacket is unclipped (priced $2.00), gently spine-sunned, with some trivial wear to extremities, a tiny stain to base of spine, and a few small tears along bottom edge neatly tape-mended on verso; Near Fine.