It was later gathered together with The Book of Fritz Leiber into the hardcover omnibus collection The Book of Fritz Leiber, Volume I & II (Gregg Press, 1980).

The book consists of five fantasy, science fiction and horror short stories alternating with six related articles, together with a foreword by the author.

Others were originally published in the magazines Astounding Science Fiction for September 1950, Science Digest for April 1961, Mike Shayne Mystery Magazine for February 1961, and The Arkham Sampler for Spring 1948, and the anthology Science Fiction Thinking Machines (1954).

The collection won the 1976 British Fantasy Award for Best Short Story.

The story "Belsen Express" won the 1976 World Fantasy Award for Best Short Fiction.