Moonlight City lies on the border between this world and the next, so it's only natural that there should be some extraordinary citizens in town. But when that supernatural element turns nasty, it's time to call in the Moonlight Monsters Detective Agency.
Meet Tina Peterson. She's just an average twenty-something woman trying to make the most out of single life in the city. If only it were that easy. As a half-demon hybrid Tina is the perfect candidate to lead the Supernatural Detective Agency. So much for joie de vivre.
Together with her partner Boris the Russian werebear and their computer guy, stranded alien Ernie the egghead, Tina keeps the peace among the magical and mystical inhabitants of Moonlight city, while trying to find the time in between to lead a half ways normal life.
In this, the first story of the series, the monster detectives investigate a British vampire who's just moved into town and set himself up as an illegal private eye. But the vamp is on a case of his own - a dangerous stakeout involving a high-class drug deal and a demonic huckster with hypnotic abilities
Blood Oath can be read as a stand alone story or in order as part of the series