A cosmic atrocity of the ancient past-the murder of the planet Mars by Venusian super-scientists who strip the planet of its air and water, leaving only a handful of survivors on a dying world! Martian scientist Jad Inicus embarks on am amazing scheme of revenge-by sending two young Martians, male and female, to a prehistoric earth. His cry for revenge reverberated down the corridors of centuries, and when it throbbed to awaking in Arnath Layton, his remote ancestor on Earth, the descendants of the malign Venusians were truly doomed! Another cosmic saga of this prolific author, novelized from the pages of Astounding Stories.