Have space suit--will travel: Kip, a high school senior, wins a space suit in a soap jingle contest, takes a last walk in it before cashing it in for college tuition, and suddenly finds himself on a space odyssey. Starship troopers: With Earth embroiled in a vast interplanetary war with the "Bugs," a young recruit in the Federal Reserves relates his experiences training in boot camp and as a junior officer in the Terran Mobile Infantry. PodKayne of Mars: While accompanying their uncle, a distinguished elder stateman, on a trip from Mars to Earth, Podkayne Fries and her brilliant but pesky younger brother are caught up in a plot to keep Uncle Tom from the Three-Planets Conference.