Hunters' Moon by James D. Macdonald
Approx. 41,720 words.
Published on July 29, 2011.
Bitten by a werewolf, Valerie had no choice but to accept the bloodthirsty call of the full moon. Even though she vowed never to kill humans, children were being murdered in the night–drained of blood. On their necks was the mark of the vampire.