num_pages: 224
description: King of the Fourth Planet: John Rolf fled his own guilt when he abandoned the corruption of Earth for a life of meditation on the many levels of Mars' mountain . . . Cosmic Checkmate (Charles V. De Vet and Katherine MacLean): I'll beat you the second game was the Earthman's challenge to the planet Velda, whose culture was indeed based on a complicated super-chess of skill and concentration. (
language: English
title: King Of The Fourth Planet / Cosmic Checkmate
publisher: Ace