My roommate is a vampire

"Cassie Greenberg loves being an artist, but it's a tough way to make a living. On the brink of eviction, she's desperate when she finds a too-good-to-be-true apartment in a beautiful Chicago neighborhood. Cassie knows there has to be a catch -- only someone with a secret to hide would rent out a room for that price. Of course, her new roommate, Frederick J. Fitzwilliam, is far from normal. He sleeps all day, is out at night on business, and talk...