Legends Of The Unknown World. The Midnight Chronicles: The Morgenstern Trilogy

THE MIDNIGHT CHRONICLES: DEMON'S KISS

The first of the trilogy and the darkest of the three. Introduces a lot of characters, our villainess and the beginning of the war between Derrick and Ramona.
Not gonna lie either, a lot of characters are going to die in this story and none of the survivors get away unscathed.

THE MIDNIGHT CHRONICLES: REJUVENATION

Takes place not long after the first story, involves Derrick's recuperation with the vampires.

THE MIDNIGHT CHRONICLES: VENERY