Universe
By: Robert A. Heinlein
Series: Dell 10 cent book -- 36
Publisher: Dell Publishing Company, Inc.
Published: 1951
Place of publication: New York
Language: eng
Number of pages: 64
Copyright date: 1941
Subjects: American Science fiction
Notes: "Complete and Unabridged."

Later collected as the first part of Orphans of the sky.

Cover painting by Robert Stanley.

Currey, L. W.  Science fiction and fantasy authors, p. 235

Reginald, R.  Science fiction and fantasy literature, p. 249