Hardcover 2016 Year Baen Books Publisher ISBN-13: 978-1-4767-8149-5 ISBN-10: 1-4767-8149-4 Buy on Amazon
Paperback 2017 Year Baen Books Publisher ISBN-13: 978-1-4814-8262-2 ISBN-10: 1-4814-8262-9 Buy on Amazon
Digital Books 2016 Year Baen Books Publisher ISBN-13: 978-1-62579-514-4 ISBN-10: 1-62579-514-9 Not Available for Purchase