Guilty by Blood (Paperback) (ISBN-13: 9798322100782)

After the events in Berlin, Nathan fights against madness itself. Meanwhile, Daniel and Ian are sentenced to death by the magical Inquisition and taken to Avalon.

Once again, Nathan must turn to his father, the demon, for help. The young magician is determined to aid his friends and risks making a pact with the devil, only to realize that almost everything he thought he knew about magicians and demons was based on lies and intrigue.

What is Nathan's father, the demon, planning? How can Nathan help his friends? And what role do the blood mages, the so-called End Mage, and the end of the world play in Nathan's life?