Introduced by Willy Ley. Illustrated by Edd Cartier. New York: Gnome Press, (1951). 8vo. Cloth-backed boards. 400 p. Adventures in Science Fiction Series. 1st edition. Very good in d.w. with chipping at top & base of spine. 
Contains a science fiction dictionary & a portfolio of color plates by Edd Cartier. Other contributors include Ray Bradbury, Hal Clement, William Tenn, A. E. van Vogt, Poul Anderson, et al.