Retief's Ransom

Lumbaga is a planet without known virtues—but with some decidely odd natives. Fro every Lumbagan is simply an arbitrary assortment of semi-independent organs inspired by a lust for mayhem. BUt even the most undesirable chunk of galactic real estate attracts its quote of rival overlords, and the fiendish Groaci had a scheme for absorbing Lumbaga into their sphere of influence. It was working well, too, until it involved Retief, Terran diplomat extraordinary. To his powerful intellect, the machinations of teh Groaci were child's play....