The Demonata: Demon Thief

Demon Thief is the second book in Darren Shan's The Demonata young adult horror/fantasy series, though it's a prequel in the storyline. It introduces Kernel Fleck, a teenager who has always seen strange lights. When a portal to a demon world opens, unleashing horrific creatures and consequences, Kernel learns he possesses unique powers. He is a Disciple, tasked with hunting the powerful and vicious Demonata to the death. This book is for readers aged 12-18 who enjoy dark, action-packed fantasy with strong horror elements and themes of good versus evil, courage, and self-discovery. Parents should be aware of prominent scary scenes, peril, and violence as characters fight monstrous demons.