The Mislaid Magician or Ten Years After: Being the Private Correspondence Between Two Prominent Families Regarding a Scandal Touching the Highest Levels of Government and the Security of the Realm (The Cecelia and Kate Novels Book 3), (Collaboration with Patricia C. Wrede) Harcourt books, Autumn, 2006. Hardcover ISBN 0-15-205548-7. Paperback, Graphia Books, April 2009. Paperback ISBN-13:978-0-15-206209-5