It’s Not Her by Mary Kubica

A scream shatters the silence…

Courtney Gray’s peaceful vacation turns into a nightmare when she discovers her brother and sister-in-law dead in their lakeside cottage. Her niece Reese is missing. Her nephew Wyatt is asleep upstairs—unharmed.

A town full of secrets…

As police swarm the quiet resort, dark truths about Courtney’s family—and the town itself—begin to surface. Is Reese a victim… or the killer?

A truth no one saw coming…

With everyone hiding something, Courtney races to uncover the terrible mystery. But the closer she gets, the harder it is to know who—or what—to trust.