Vengeance of Kyvor, The, & At the Earth's Core

Armchair Fiction presents extra large editions of classic science fiction double novels. The first novel is "The Vengeance of Kyvor," by Randall Garrett. The message from the Venusian government was clear-Earthlings stay away! However, Earth sent spaceships anyway, hoping to make contact with a brilliant Earth scientist hidden away in the Venusian jungles-a scientist who had devised a secret plan for over-throwing the cruel Venusian Empire. But when Lanina Harrison and her brother Wayne cra...