This is a set of three books from Jussi Adler-Olsen's Department Q series. It includes "The Keeper of Lost Causes" and "Message in a Bottle, Volumes 1 and 2." [Titles] Department Q: The Keeper of Lost Causes, Department Q: Message in a Bottle, Volume 1, Department Q: Message in a Bottle, Volume 2 [Author] Jussi Adler-Olsen [Publisher] Hayakawa Publishing Thank you.