Editions of "What If?"

hardcover

English language

Published Nov. 18, 2014 by imusti, John Murray Publishers Ltd.

perfect paperback

German language

Published Sept. 8, 2014 by Albrecht Knaus Verlag.

English language

Published Jan. 20, 2014

336 pages

English language

Published Oct. 8, 2014 by Hodder & Stoughton.

320 pages

English language

Published Aug. 8, 2014 by Houghton Mifflin Harcourt Publishing Company.

328 pages

Dutch language

Published Oct. 8, 2014

Swedish language