The Good, The Bad, The Undead ~ Kim Harrison

This is the second book in the Rachel Morgan series. Rachel has been contacted by the FIB to help them solve a series of murders, where all the victims were witches. Rachel has been enrolled in a class taught by the same teacher who had taught all the victims at one point or another. Because the FIB suspects the teacher is the murderer, Rachel has her own suspecions as to who the killer is, and is determined to prove it. The question is if she will survive the discoveries she is about to make.