2012 - The Keeper of Lost Causes [aka Mercy - Department Q, Bk 1] (Paperback) ISBN-13: 9780452297906 ISBN-10: 0452297907 Genre: Mystery, Thriller & Suspense 74 2011 - The Keeper of Lost Causes [Department Q, Bk 1 - Audio CD - Unabridged] (Audio CD) ISBN-13: 9781611760354 ISBN-10: 1611760356 Genres: Literature & Fiction, Mystery, Thriller & Suspense 6 2011 - Mercy [Department Q, Bk 1 - aka: The Keeper of Lost Causes] (Hardcover) ISBN-13: 9780525952480 ISBN-10: 0525952489 Genres: Literature & Fiction, Mystery, Thriller & Suspense 44 2011 - Mercy (Paperback) → Paperback ISBN-13: 9780141399966 ISBN-10: 0141399961 Genre: Mystery, Thriller & Suspense 5 |