BEYOND THE GALACTIC RIM & THE SHIP FROM OUTSIDE   by A. Bertram Chandler - 1st Printing, 1963 - VG+ to Near Fine  SPACE MERCENARIES by A. Bertram Chandler & THE                 CAVES OF MARS by Emil Petaja - 1st Printing, 1965 - VG+   Published by Ace Books                                                                                                                                                                     SHIP & SPACE are novels, BEYOND collects 4 of Chandler's Rim stories, Petaja's MARS is a novel.  SPACE, BEYOND & MARS have never been reprinted in the U.S.  The Chandler double has only light edge wear;  the Chandler/Petaja double has modest corner/spine-end wear.   Each has a bookstore stamp on the first page of one title.  Still, these vintage Aces are in nice shape, with square spines,tight bindings and no writing.