Collects 11 early stories, with autobiographical introduction and remarks between stories. Contents: Introduction, essay by Jack Williamson; Scientifiction, Searchlight of Science, essay by Jack Williamson. Stories: The Metal Man; The Girl from Mars (excerpt), novelette by Jack Williamson and Miles J. Breuer, M.D.; The Cosmic Express; The Meteor Girl; Through the Purple Cloud; The Doom from Planet 4; Twelve Hours to Live!; The Plutonian Terror; Salvage in Space; "We Ain't Beggars;" Dead Star Station.
July 1975 : USA Hardback
February 1978 : UK Paperback