The Vesik Series: Books 1-3

Damian Vesik is a humble shopkeeper in a small town outside Saint Louis, Missouri with one small problem; he's a necromancer. When his master, Zola, can't face a demon alone, they're pulled into a battle that's been raging since the American Civil War. His vampire sister, Sam, and his ruthless Fae roommate, Foster, join forces with Damian and Zola in an unlikely alliance to save their friends, and their city.