Unknown. Zustand: Fair. No Jacket. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.
Paperback. Zustand: Very Good. Gino D'Achille (illustrator). Very Good condition. Part a uniform Ballantine edition. Pages are clean and unmarked. Ballantine mass paperback, 8th printing March 1977, ISBN: 9780345271617. 220 pages, cover art by Gino D'Achille. 12mo (4.25" x 7") #5 in the Mars (Barsoom) series.