"Raven's romance with her dreamy vampire boyfriend, Alexander, has been complicated once again by Alexander's menacing half-vamp cousin. Now that Claude and his fearless gang have been tricked out of the blood-filled vials that can turn them into full vampires, Claude will stop at nothing to find the real vials. Raven's family and friends could be in danger. When Claude teams up with Raven's longtime nemesis, Trevor, invitations soon go out for a vampire-themed masquerade party." --P. [4] of cover.