Editions of Enigma

English language

Published Oct. 9, 1999 by Bt Bound.

Paperback, 379 pages

German language

Published Nov. 1, 1996 by Wilhelm Heyne Verlag GmbH & Co KG.

Mass Market Paperback, 441 pages

French language

Published Aug. 28, 1997 by Pocket.

Mass Market Paperback, 384 pages

English language

Published Sept. 1, 1996 by Ballantine Books.

Hardcover

English language

Published Oct. 9, 1996 by Random House Large Print Publishing.