Originally published: London : Sidgwick and Jackson, 1976. - 'The universe maker' originally published: New York : Ace Books, 1953? - 'The proxy intelligence' originally published: in 'If' magazine, October 1968.
The universe maker ; [and, The proxy intelligence] by A. E. Van Vogt. ISBN 0722187335. Published by Sphere in 1977. Publication and catalogue information, links to buy online and reader comments.