Editions of The four

Paperback, 336 pages

Published Sept. 4, 2018 by Portfolio.

Paperback

Published by PENGUIN.

Hardcover

Published Nov. 15, 2017 by Plassen Verlag.

436 pages

English language

Published Feb. 23, 2017

audio cd

Published Oct. 3, 2017 by Penguin Audio.

320 pages

English language

Published Feb. 23, 2017 by Penguin Random House.

Paperback

Published Sept. 6, 2018 by Corgi.

336 pages

Spanish language

Published Feb. 23, 2018 by Penguin Random House Grupo Editorial.

English language

Published Feb. 23, 2017 by Transworld Publishers Limited.