The Secret of the Ninth Planet by Donald Wollheim 1st DJ HC 1959 Sci Fi Winston.

First Edition stated on verso, $2.50 price intact on inside flap. DJ protected by Mylar wraps, some light shelfwear and edgewear evident, slight soiling to rear panel. Terrific illustration and colors on the front cover. Clean blue cloth boards. 203 pp., no markings in text, former owner’s name written on flyleaf. Clean edges, tight binding.