Men With Wings Author:Leslie F. Stone Only a continent such as South America with its great unexplored spaces, its great natural resources, its jungles, could have held the secret of Mentor. I could only gasp as I thought of what a prodigious organization had grown out of the aimless fumblings of Howard Mentor with man-made evolution. Could this strange though powerful nation some d... more »ay put its mark on the world?« less