Children of the Dark 2 - Jonathan Janz

Last summer, sixteen-year-old Will Burgess lost many of the people he loved most. Now he's imprisoned in the Sunny Woods Rehabilitation Center, a facility for troubled youths. Separated from his surviving loved ones and terrified of a change inside him, Will is tormented by a new group of bullies and a sadistic government doctor. When his only ally, an orderly named Pierre, tells him there have been sightings of winged creatures with glowing red eyes, Will believes him.

Because Will has seen the Night Flyers too.

Even worse, he learns the monstrous Children are still lurking underground. They want revenge on Will and will stop at nothing to destroy everyone he cares about. Will and his friends, new and old, must band together to fight the forces of darkness-both human and supernatural. But as Will learned last summer, evil is relentless. And it won't rest until its hunger is sated.

"One of the best writers in modern horror to come along in the last decade. Janz is one of my new favorites." -Brian Keene