"Son of Erebus" is an exciting book by the Irish writer James Butcher, which tells the story of a young boy named Killian, who finds himself in the middle of an eternal struggle between light and darkness. He learns that his true nature is connected to the ancient deity Eremulus and his son Erebus. Under the guidance of Aurela, a powerful warrior of light, Killian learns to master his powers in order to confront the forces of darkness. Will he be able to find his way in this dangerous struggle and become a worthy heir of Erebus, or will he suffer the destructive influence of darkness? "Son of Erebus" is an exciting fantasy book about magic, friendship and the eternal struggle with inner demons.