ROCANNON'S WORLD by Ursula K. LeGuin &                           THE KAR-CHEE REIGN by Avram Davidson - 1966 - VG-        THE BALLAD OF BETA-2 by Samuel R. Delany &                     ALPHA YES,TERRA NO! by Emil Petaja - 1965 - VG-                Ace  Books - all First Printings                                                                                                                                                             The LeGuin & Petaja titles are the first novels of those authors.  Delany title was nominated for a Hugo.  The books have modest creasing and corner/edge wear, and there is darkening on reverse of all covers.  Davidson has bookstore stamp inside; Delany/Petaja has marks on  page edges.  Bindings are sound on both books.