This is paranormal so it might not belong here, but the mystery part is good so consider it paranormal mystery. I read it, commented on it on my FB page and will probably blog my review on Sunday--it's free and it's probably indie, but I thought it was really fun.
http://www.amazon.com/Ellie-Jordan-G...s=ellie+jordan
The elements aren't overly fantasy--no werewolves, just ghosts and bad spirits. Maybe some good ones thrown in for color.
TItle is Ellie Jordan Ghost Trapper.