Editions of The Foundation Trilogy (Foundation / Foundation and Empire / Second Foundation )

leather bound

Published June 6, 1982 by Doubledat and Company Inc..

audio cassette

Published March 22, 1990 by BBC Audiobooks.

English language

Published Jan. 17, 1951 by Doubleday.

187 pages

English language

Published Jan. 17, 1966 by Sidgwick & Jackson.

225 pages

English language

Published Jan. 17, 1982 by Doubleday.

English language

Published Jan. 17, 1966 by Avon.

English language

Published Jan. 17, 2022 by Random House Publishing Group.