Editions of Sphere

Mass Market Paperback

English language

Published Jan. 17, 1993 by Ballantine Books.

Audio cassette

English language

Published March 16, 1993 by Random House Audio.

Paperback

Published Jan. 1, 2003 by Rowohlt TB-V. Rnb..

Hardcover

English language

Published Jan. 12, 1989 by Random House Value Publishing.

Portuguese language

Published April 17, 1999 by Publicações Europa-América.

Unknown Binding

Published Sept. 17, 1995 by Perfection Learning Prebound.

Paperback

Spanish language

Published July 17, 1997 by Emece Editores.

Chinese language

Published April 17, 1995 by Bo Yi.