Peter Grant having become the first English Apprentice wizard in fifty years must immediately deal with two different but ultimately inter-related cases.In one he must find what is possessing ordinary people and turning them into vicious killers and in the second he must broker a peace between the t...

Peter Grant having become the first English Apprentice wizard in fifty years must immediately deal with two different but ultimately inter-related cases.In one he must find what is possessing ordinary people and turning them into vicious killers and in the second he must broker a peace between the two warring gods of the River Thames.