Editions of I. Asimov

Paperback, 592 pages

English language

Published Jan. 1, 1995 by Bantam.

mass market paperback, 609 pages

Published April 13, 2000 by Denoël.

562 pages

English language

Published Nov. 20, 1994 by Doubleday.

eBook

English language

Published Nov. 20, 2009 by Random House Publishing Group.

Paperback

Published Jan. 20, 1999 by Ediciones B.

Hardcover

Spanish language

Published Jan. 20, 1995 by Ediciones B.