Editions of Harrow the Ninth

paperback, 528 pages

English language

Published April 12, 2021 by Tor.com.

Hardcover, 512 pages

Published Aug. 4, 2020 by Tor.com.

eBook, 512 pages

English language

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

digital audiobook

Published Aug. 4, 2020 by Recorded Books, Inc..

audio cd, 1 pages

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