Courtney Summers

Sadie hasn't had an easy life. Growing up on her own, she's been raising her sister, Mattie, in an isolated small town, trying her best to provide a normal life and keep their heads above water. But when Mattie is found dead, Sadie's entire world crumbles....

Lo Denham is used to being on her own. After her parents died in a tragic car accident, her sister Bea joined the elusive community called The Unity Project, leaving Lo to fend for herself....

Perfect Parker Fadley isn't so perfect anymore. She's quit the cheerleading squad, she's dumped her perfect boyfriend, and she's failing school....

Climbing to the top of the social ladder is hard - falling from it is even harder....

It's the end of the world. Six students have taken cover in Cortege High but shelter is little comfort when the dead outside won't stop pounding on the doors....

When sixteen-year-old Georgia Avis discovers the dead body of thirteen-year-old Ashley James, she teams up with Ashley's older sister, Nora, to find and bring the killer to justice before he strikes again. But their investigation throws Georgia into a world of unimaginable wealth....