Rip Foster in Ride the Gray Planet Author:Blake Savage A Golden Griffon Space Adventure — Rip Foster thought he was going on leave after six grueling years as a space cadet. He was wrong. He was given emergency orders instead. A top-secret mission. — A small planet had been discovered-a world that was worth a great deal to science. But enemy spaceships were already on their way to claim the planet... more ». And Rip knew they would stop at nothing to gain control of the tiny world. Rip's mission was to secure the fabulous asteroid for the Federation of Free Governments-before the interplanetary pirates could arrive!« less