2018 - Into the Nightfell Wood (Hardcover) ISBN-13: 9780062398604 ISBN-10: 0062398601 Genre: Children's Books ? 2017 - The Silver Gate (Hardcover) ISBN-13: 9780062398574 ISBN-10: 0062398571 Genre: Children's Books ? 2016 - Shadow of the War Machine [The Secret Order] (Paperback) → Hardcover ISBN-13: 9781442468061 ISBN-10: 1442468068 Genre: Teen & Young Adult ? 2015 - Rise of the Arcane Fire [The Secret Order] (Paperback) ISBN-13: 9781442468030 ISBN-10: 1442468033 Genre: Teen & Young Adult ? 2015 - Shadow of the War Machine [The Secret Order] (Hardcover) → Paperback ISBN-13: 9781442468054 ISBN-10: 144246805X Genre: Teen & Young Adult 1 2014 - Legacy of the Clockwork Key [Secret Order, The] (Paperback) ISBN-13: 9781442440272 ISBN-10: 1442440279 Genre: Teen & Young Adult ? 2014 - Rise of the Arcane Fire [Secret Order, Bk 2] (Hardcover) ISBN-13: 9781442468023 ISBN-10: 1442468025 Genre: Teen & Young Adult 3 2013 - Legacy of the Clockwork Key [Secret Order, Bk 1] (Hardcover) ISBN-13: 9781442440265 ISBN-10: 1442440260 Genre: Teen & Young Adult 3 |