Editions of Judgment on Janus

Paperback, 255 pages

English language

Published Dec. 30, 1979 by Fawcett Publications.

Hardcover, 220 pages

English language

Published Nov. 30, 1971 by Victor Gollancz.

mass market paperback

English language

Published April 12, 1987 by Del Rey.

220 pages

English language

Published Nov. 30, 1963 by Harcourt, Brace & World.

Published Jan. 30, 2000 by Harcourt.

Undetermined language

Published Nov. 30, 1963 by Gollancz.