The next thrilling mystery from Karin Slaughter,New York Timesbestselling author of Pretty Girls and the Will Trent Series.

Welcome to North Fallsa small town where everyone knows everyone. Or so they think.

Until the night of the fireworks. When two teenage girls vanish, and the town ignites.

For Officer Emmy Clifton, its personal. She turned away when her best friend’s daughter needed helpand now she must bring her home.

But as Emmy combs through the puzzle the girls left behind, she realizes she never really knew them. Nobody did.

Every teenage girl has secrets. But who would kill for them? And what else is the town hiding?