The war of two worlds
By: by Poul Anderson
Contributors: Brunner, John, 1934-1995
Series: Ace double novel books -- D-335
Publisher: Ace books
Published: 1959
Place of publication: New York
Language: eng
Number of pages: 148
Subjects: Science fiction
Notes: With (inverted): Threshold of eternity/John Brunner. New York : Ace, [c1959].

R. Reginald.  Science fiction and fantasy literature : a checklist 1700-1974, p. 13.