ACE DOUBLES. THIS FORTRESS WORLD/THE 13TH IMMORTAL . (D-223) (PAPERBACK)

CONDITION  GOOD. MINOR CHIPS AND CREASES ON COVER. MINOR CRACKING ON SPINE.

A BOOK BY   JAMES E GUNN/ROBERT SILVERBERG
CATEGORY    SCIENCE FICTION
PUBLICATION  ACE BOOKS.  1957.  D-223
EDITION PAPERBACK

SYNOPSIS 

SEE PHOTOS