SF Encyclopedia Picture Gallery
Poul Anderson. Planet of No Return (New York: Ace Books, 1956) [dos: first appeared June-July 1954 Astounding as "Question and Answer": pb/Ed Valigursky]
From the collection of Roger Robinson
Poul Anderson. Planet of No Return (New York: Ace Books, 1956) [dos: first appeared June-July 1954 Astounding as "Question and Answer": pb/Ed Valigursky]
From the collection of Roger Robinson