Clash of the Demons (The Last Apprentice #6)
As the Spook's apprentice, Tom Ward must protect the County from the creatures of the dark. But now his mother has returned from her homeland to seek his help. A dangerous ancient witch, Ordeen, is about to rise, bringing with her suffering and devastation. Tom's mother has mustered a powerful army — including Tom's friend Alice and the assassin Grimalkin — to confront Ordeen. If Tom joins them, the Spook will abandon Tom as his apprentice. What sacrifices will be made in the battle against the dark?