Editions of Billions and billions

296 pages

English language

Published Jan. 5, 1998 by Ballantine Pub..

241 pages

English language

Published Jan. 5, 1997 by Random House.

Paperback, 320 pages

English language

Published May 12, 1998 by Ballantine Books.

322 pages

Spanish language

Published Jan. 5, 1998 by Ediciones B.

Hardcover, 446 pages

English language

Published March 5, 1998 by Thorndike Press.

English language

Published Aug. 31, 1999 by Random House Value Publishing.