First Edition. BB dustjacket art. "When the shock of the La Poma earthquake subsided, Dr. Oliver, the great leader of that fantastic cult known as The Oliverites, found himself another man. For ten years under the spell of amnesia, he awoke to discover himself a stranger in his own house! Even his pretty, wistful secretary seemed to shrink from him as from some monster whose very presence she dreaded. In the midst of this strange household, Dr. Oliver found the secret of his identity and waged a subtle fight to escape the group who were slowly fatally, sapping his strength. Full of weird thrills and novel twists of a clever plot". Extremely uncommon title. Near Fine in Very Good dustjacket.