The asylum
L.J. Smith
"When a vampire from Katherine's past sets out to destroy the Salvatore brothers, Stefan and Damon must join forces to defeat their foe"--

by Karen White (2008)
A brilliant, chilling series debut, featuring a Charleston real estate agent who loves old houses — and the secret histories inside them. Practical Melanie Middleton hates to admit she can see ghosts. But she’s going to have to accept it. An old man she recently met has died, leaving her his historic Tradd Street home, complete with housekeeper, dog — and a family of ghosts anxious to tell her their secrets. Enter Jack Trenholm, a gorgeous writer obsessed with unsolved mysteries. He has reason to believe that diamonds from the Confederate Treasury are hidden in the house. So he turns the charm on with Melanie, only to discover he’s the smitten one...It turns out Jack’s search has caught the attention of a malevolent ghost. Now, Jack and Melanie must unravel a mystery of passion, heartbreak — and even murder.
L.J. Smith
"When a vampire from Katherine's past sets out to destroy the Salvatore brothers, Stefan and Damon must join forces to defeat their foe"--
Kami Garcia & Margaret Stohl
When Ethan wakes after the chilling events of the Eighteenth Moon, his one goal is to return to Lena and his loved ones, while back in Gatlin, Lena vows to do whatever it takes to bring Ethan home--even trusting old enemies and risking the lives of those Ethan left to protect.
Linda Robertson
Persephone Alcmedi's beloved foster daughter, Beverley, has been playing with a magical artifact that's far more dangerous than she realizes. Now Persephone must summon help from a mystical being so potent that even vampires fear him ... and the cost of his aid may be more than she's willing to pay. Seph, Johnny, and Menessos face threats from all side -- and a few from within.
Kristin Miller
Second book in the Vampires of Crimson Bay series, a paranormal series featuring a blood war between vampires and shape-shifters.