The roving bards known as the Troupers of Sight and Sound are the winners of the Gamma World Mailing List contest. Other entries are NATO (short wave radio communities trying to reestablish contact with the lunar base), Friends of the Earth (aka Eco-Freaks), Masters of Mechanics (GearHeads), Green Hands (herbalists), the Bureau (mercenaries with a strong law and order stance), Librarians (Record Keepers), and G.R.A.S.S. (sentient plants who believe the meat-based races destroyed the world).