2011 - The Forgotten Locket [Hourglass Door, Bk 3] (Hardcover) ISBN-13: 9781609080495 ISBN-10: 1609080491 Genre: Science Fiction & Fantasy 4 2010 - The Golden Spiral [Hourglass Door, Bk 2] (Hardcover) → Paperback ISBN-13: 9781606416358 ISBN-10: 1606416359 Genre: Teen & Young Adult 6 2010 - The Hourglass Door [Hourglass Door, Bk 1] (Paperback) ISBN-13: 9781606416792 ISBN-10: 1606416790 Genre: Teen & Young Adult 14 |