The Perfect Assassin by K.A. Doore is the first book in a new fantasy series The Chronicles of Gahdid.  Amastan is the newest assassin the Basbowen family that helps keep order in the desert city of Gahdid.  The first rule for assassins is “Don’t get caught.” The second is “The body must always be found quickly,” or the person’s jaan will go wild, leading to possession and death for innocent bystanders.  In a nightly training session Amastan finds a body hidden on a roof, and it turns out to be a drum chief, one of the leaders of the city.  His jaan has gone wild and is stalking the streets of Gahdid.  The other drum chiefs blame the assassins, so now Amastan has only until the start of the wet season to solve the murder or his family will be blamed.  The world K.A. Doore has created is rich in atmosphere and detail, and Gahdid is inhabited by a cast of well-developed characters with diverse relationships.