Flesh Eating Zombies and Evil Ex-Girlfriends — Rachel Schieffelbein

Erwin is in hell--- Locked in his high school with his ex-girlfriend, her new pain-in-the-ass boyfriend, and a handful of others while zombies claw at the doors trying to fight their way in.

The bright light in the dark is Sylvia, whose strength helps hold Erwin together when everything is falling apart.

When they realize the school is no longer safe, Erwin is determined to keep the group together and get them all to safety. But he can't save everyone.