Christopher\'s homecoming takes a sinister turn when a murderous conspiracy is uncovered in this fifth novel of the award-winning Blackthorn Key series.
As Christopher and his friends begin to investigate, they soon discover they\'ve stumbled upon a plot to kill the king...and anyone else who dares stand in the traitors\' way..
Then an anonymous letter arrives at Blackthorn--a mysterious warning hidden inside a riddle and secret code.
First, an old friend is ambushed and left for dead.
But trouble has followed them home...
Everyone is relieved at their return--the plague has ended, and the king, pleased with their service, offers a surprising reward.
Christopher, Tom, and Sally are back in London at last.
Christopher\'s homecoming takes a sinister turn when a murderous conspiracy is uncovered in this fifth novel of the award-winning Blackthorn Key series