Plague

It's Lord of the Flies for the Heroes generation. The Darkness has been foiled once again and the resurrected Drake has been contained. But the streets of Perdido Beach are far from safe. With a growing army of mutants fighting against the humans, power in the town hangs in the balance. In a small room of a house near the edge of town Little Pete lies ill on a bed. In his fevered dreams he continues his battle with the hidden evil that seeks to use his power for anarchy and destruction. A tour-de-force from global sensation Michael Grant, Plague is the fourth book in this bestselling series. "I love these books" - Stephen King