Blood Lure (Anna Pigeon mysteries)

Anna has joined a bear research team in the vast park that spreads from Montana into Canada. They hope to gather enough information to form a picture of its grizzly bear population. Instead, one terrifying night, a bear finds them. By morning, their camp is in ruins, and the youngest member of the team is missing. A few hours later, the body of a camper is discovered: the neck broken and face mutilated..