New York: Lippincott, 1934. First Edition. First printing. Octavo (19.5cm.); 309pp.; red cloth stamped in black on cover and spine; Textblock is a tad dusty, still a Fine copy in sharp boards.
Diana Lindsay is kidnapped and her father murdered. Major Colin Gray, V.C., a Secret Service man, follows her abductors and their leader, Alam Khan (King Cobra) to a castle in a mountain fastness. Seven members of the British Intelligence have gone after him but none returned.