In the seventh installment in the Strike series, Cormoran and Robin must rescue a man ensnared in the trap of a dangerous cult.  Private Detective Cormoran Strike is contacted by a worried father whose son, Will, has gone to join a religious cult in the depths of the Norfolk countryside.  The Universal Humanitarian Church is, on the surface, a peaceable organization that campaigns for a better world. Yet Strike discovers that beneath the surface there are deeply sinister unde