Editions of Needle in a timestack

Paperback, 192 pages

Published Oct. 15, 1970 by Ballantine Books, New York.

Paperback, 400 pages

Published April 16, 2020 by Gateway.

149 pages

English language

Published July 23, 1979 by Sphere.

English language

Published Oct. 23, 1985 by Ace Books.

mass market paperback

English language

Published Aug. 12, 1970 by Ballantine Books.

282 pages

English language

Published July 23, 2019 by Open Road Integrated Media, Inc..