The Unseen MessageAn elevator let them out on the fourteenth floor of the Queen Tower building and they walked toward a door which bore the legend they were seeking.
FOUNTAIN OF YOUTH, INC.
"Mr. Santini seemed to know us by sight," Monk said grimly, his homely face solemn.
"That doesn't mean anything, you accident of nature," Ham pointed out sharply. "Doc's picture appears often in newspapers and magazines."
"Sure, shyster," Monk sneered. "Nobody but you would think of that."
Doc Savage, studying the door of the office, put in, "The thing which puzzles me most is why these men should be so anxious to get us out of the way."
Doc was listening. His sense of hearing was fabulously keen, due to a scientific device, an apparatus emitting sound waves of a frequency above and below the audi
