Vanguard from Alpha
By: by Brain W. Aldiss
Contributors: Bulmer, Kenneth, 1921-2005
Series: Ace double novel books -- D-369
Publisher: Ace Books
Published: 1959
Place of publication: New York
Language: eng
Number of pages: 145
Subjects: Science fiction
Notes: With (inverted): The changeling worlds/Kenneth Bulmer. New York : Ace, [c1959].

R. Reginald.  Science fiction and fantasy literature : a checklist 1700-1974, p. 8.