Circus of the damned
From back cover Large Print Book Company 2005:

In *Circus of the Damned* a rogue master vampire hits town, and Anita gets caught in the middle of an undead turf war.  Jean-Claude, the Master Vamp of the city, wants her for his own -- but his enemies have other plans.  And to make matters worse, Anita takes a hit to the heart when she meets a stunningly handsome junior high science teacher named Richard Zeeman.  They're two humans caught in the crossfire.  Or so Anita thinks...
Vampires, Anita Blake (Fictitious character), Science teachers, Fiction, Comics & graphic novels, romance
Laurell K. Hamilton
Laurell Kaye Hamilton (born February 19, 1963) is an American fantasy and romance writer. She is best known as the author of two series of stories.

Her New York Times-bestselling Anita Blake: Vampire Hunter series centers on Anita Blake, a professional zombie raiser, vampire executioner and supernatural consultant for the police, which includes novels, short story collections, and comic books. Six million copies of Anita Blake novels are in print. Her Merry Gentry series centers on Meredith Gentry, Princess of the Unseelie court of Faerie, a private detective facing repeated assassination attempts. Both of these fantasy series follow their protagonists as they gain in power and deal with the dangers of worlds in which creatures of legend live.

Several media outlets, including USA Today, Entertainment Weekly, and Time have identified her works as significant contributions to the development of the urban-fantasy genre. [source](https://en.wikipedia.org/wiki/Laurell_K._Hamilton)