Checkpoint Lambda
By: Murray Leinster
Contributors: Copyright Paperback Collection (Library of Congress); Powers, Richard M.
Publisher: Berkley
Published: 1966
Place of publication: New York
Language: eng
Number of pages: 143
Notes: "A Berkley medallion book, F1263."

"Berkley Medallion Edition, July, 1966."

Collected later in A Murray Leinster Omnibus.

Cover art by Richard M. Powers.

Currey, L.W. Science fiction, p. [265]