Edmund Stonewall is a scientist who has discovered antigravity. He builds a spaceship using his technology, and takes a small party to Venus. They first visit the dark side of Venus, which is populated by primitive beings, then visit the light side, which is populated by blond telepaths.
Available on page 376, Bleiler (Gernsback).
In addition to its stand-alone volume, this title was published in the follow books. It can be rated independently of any volumes containing it.
