OUTSIDE THE UNIVERSE. New York: Ace Books, Inc., . Small octavo, pictorial wrappers. First edition. Ace Books F271. Interstellar Patrol novel first published as a four-part serial in WEIRD TALES, July - October 1929. Our galaxy is invaded by a horde of aliens migrating from another galaxy. Bleiler, Science-Fiction: The Early Years 1014. A fine copy. (#158066).
No statement of printing.