BEYOND THE FARTHEST STAR - late '60s - Near Very Good  THE MASTERMIND OF MARS - 1st pb, [1963] - Near Fine        A FIGHTING MAN OF MARS - 1st pb, 1964 - Very Good+          by Edgar Rice Burroughs - published by Ace & Ballantine                                                                                                                 BEYOND... (Ace Books) is the least known of these three Burroughs science fiction titles.  It has water staining on the top left page edges, otherwise it's a sharp tightly-bound copy.  Illlustrations by Frank Frazetta.  MASTERMIND...  is also in sharp condition but with virtually no wear except darkening on the cover backs.  FIGHTING... has light front cover reading and corner creases, but otherwise is in very nice condition.  The latter two, published respectively by Ace and Ballantine, are John Carter novels.  The Ace book is illustrated by Roy Krenkel, Jr. and J. Allen St. John. Tight bindings and no writing or markings on any of the books.