Editions of Harrow the Ninth

hardcover, 512 pages

Published Aug. 4, 2020 by Tor.com.

paperback, 528 pages

English language

Published April 12, 2021 by Tor.com.

Hardcover, 640 pages

Published Oct. 14, 2021 by Nova.

eBook, 512 pages

English language

Published Aug. 7, 2020 by Doherty Associates, LLC, Tom.

digital audiobook

Published Aug. 3, 2020 by Recorded Books, Inc..

audio cd, 1 pages

Published Sept. 15, 2020 by Recorded Books, Inc. and Blackstone Publishing.