What She Found in the Woods by Josephine Angelini

This is Magda’s last chance. Recovering from a scandal at her elite New York City private school that threw her life into a tailspin, she’s shipped off to live with her grandparents in the Pacific Northwest for the summer.

Medicated and uninspired, Magda spends her days in a fog wandering around the forest, where she stumbles upon Bo, who is wild and unlike any boy Magda’s ever met before. He makes Magda feel like she might just be able to move on from her past and feel something once again.

But there’s more to this sleepy little town than meets the eye. And what Magda finds in the woods near Bo’s forest home is the beginning of a whole new nightmare…