First Edition. Frank E. Schoonover illustrations. Rare Hubin listed murder mystery set on the New England seacoast and featuring detective Professor Chester Kent. Includes elements of astrology and spiritualism. Extremely rare in original publisher dustjacket with wraparound artwork. Very Good or Near Fine with few small light stains at rear cover, in Very Good dustjacket, fairly shallow chipping at spine ends and flap corners, top rear panel with few inch closed tear and accompanying creases, flap edges with surface wear.