The Case of the Twisted Truths Volume 4 by Lucy Banks
Kester and Ribero's team of inept supernatural investigators are back again. But this time, the stakes have been raised. Hrschni, a powerful daemon leading the Thelemites, is hellbent on bringing spirits back to the world of the humans . . . at any cost. Kester needs to gain control of his unique abilities while coming to terms with the fact that his mother had more secrets than he realized. He must also decide where his allegiances really lie. As the twisted truths keep coming out, he finds it increasingly hard to know who to trust.