Bad Cree by Jessica Johns

In this gripping, horror-laced debut, a young Cree woman's dreams lead her on a perilous journey of self-discovery that ultimately forces her to confront the toll of a legacy of violence on her family, her community and the land they call home.
"A mystery and a horror story about grief, but one with defiant hope in its beating heart." —Paul Tremblay, author of A Head Full of Ghosts and The Pallbearers Club
When Mackenzie wakes up with a severed crow's head in her hands, she panics. Only moments earlier she had been fending off masses of birds in a snow-covered forest. In bed, when she blinks, the head disappears.   
Night after night, Mackenzie's dreams return her to a memory from before her sister Sabrina's untimely death: a weekend at the family's lakefront campsite, long obscured by a fog of guilt. But when the waking world starts closing in, too—a murder of crows stalks her every move...