Available Editions

Novel

Hardcover

Book cover for Heart of Obsidian
2013 Year
Gollancz Publisher
ISBN-13: 978-0-575-11097-7
ISBN-10: 0-575-11097-X
Buy on Amazon

Paperback

Book cover for Heart of Obsidian
2013 Year
Gollancz Publisher
ISBN-13: 978-0-575-11104-2
ISBN-10: 0-575-11104-6
Buy on Amazon

Digital Books

Book cover for Heart of Obsidian
2013 Year
Berkley Sensation Publisher
ISBN-13: 978-1-101-60519-6
ISBN-10: 1-101-60519-7
Not Available for Purchase

Audio

No Cover
2021 Year
Tantor and Blackstone Publishing Publisher
ISBN-13: 979-8-200-07772-4
ISBN-10:
Not Available for Purchase