Editions of The Unbreakable Code

library binding, 384 pages

Published May 22, 2018 by Turtleback Books.

Paperback, 384 pages

Published May 1, 2018 by Square Fish.

Hardcover

Published Nov. 21, 2017 by Henry Holt and Company.

eBook, 368 pages

Published April 25, 2017 by Henry Holt and Co. (BYR).

English language

Published Nov. 21, 2018 by Square Fish.

preloaded digital audio player

Published Aug. 10, 2017 by Recorded Books.