Alpha centauri - or die!
By: by Leigh Brackett
Contributors: Wallis, G. McDonald
Series: Ace double novel books -- F-187
Publisher: Ace Books
Published: 1963
Place of publication: New York
Language: eng
Number of pages: 133
Subjects: Science fiction
Notes: With (inverted): Legend of lost Earth / G. McDonald Wallis. New York: Ace Books, [c1963].

R. Reginald.  Science fiction and fantasy literature : a checklist 1700-1974, p. 65.