Editions of The Forbidden Door

687 pages

English language

Published March 25, 2018

Paperback, 480 pages

English language

Published March 25, 2019 by HarperCollins Publishers.

Hardcover

English language

Published by HarperCollins Publishers.

608 pages

English language

Published March 25, 2019 by Bantam Books.

English language

Published March 25, 2018 by HarperCollins Publishers.

mp3 cd

Published Sept. 11, 2018 by Brilliance Audio.

466 pages

English language

Published Dec. 22, 2018 by Bantam Books.

480 pages

English language

Published March 25, 2019 by HarperCollins Publishers Australia.

480 pages

English language

Published March 25, 2019 by HarperCollins Publishers Limited.

English language

Published March 25, 2018 by HarperCollins Publishers Limited.