King of the Fourth Planet

From Author Wars - https://authorwars.com/books/king-of-the-fourth-planet-676105.html

Overview:

Title: King of the Fourth Planet
Author: Robert Moore Williams
Year: 1962
Type: Novels

Variant Titles:

1963. Der König des roten Planeten

Editions/Publications:

Unknown. King of the Fourth Planet / Cosmic Checkmate (Unknown, Robert Moore Williams, Ace Books, $0.40, 96+128 pages, dos, Omnibus)