Editions of Robots and Empire

Mass Market Paperback

English language

Published Oct. 12, 1986 by Del Rey.

Mass Market Paperback

English language

Published July 12, 1986 by Del Rey.

426 pages

Spanish language

Published Jan. 24, 1986 by Plaza & Janés Editores.

Paperback

Published Jan. 24, 1991 by Ballantine Books.

Published Jan. 24, 1994 by Circulo de Lectores.