An Isaac Asimov double Space ranger; [and], Pirates of the asteroids
Asimov, Isaac,1920-1992.
Asimov, Isaac,1920-1992.Space ranger.
Asimov, Isaac,1920-1992.Pirates of the asteroids.
London New English Library
1972
Originally published separately under the name Paul French as 'David Starr, space ranger' and 'Lucky Starr and the pirates of the asteroids'. Garden City [N.Y.]: Doubleday, 1952 and 1953