First edition/printing of this classic Simak book. The book is in Fine condition (pages are age tanned) and the dust jacket is in Near Fine condition, not price clipped, and with a couple of short closed tears and general light wear to the extremities - a nice, harder to find copy of this title. ""Simak's second Galaxy serial, Ring Around the Sun (December 1952-February 1953 Galaxy; 1953), which involves the discovery of a chain of Parallel Worlds and the machinations of a secret society of Mutants who are plotting to subvert the world's economy by producing everlasting goods. Its anti-urban and pro-agrarian sentiments were by now a standard part of Simak's work;."" [JC/DP/DRL] - The Encyclopedia of SF, 3rd Edition/Internet.