Barr, Nevada. Anna Pigeon novel.

""Anna Pigeon, as a National Park Service Ranger, has had to deal with all manner of crimes and misdemeanors, but cyber-bullying and stalking is a new one. The target is Elizabeth, the adopted teenage daughter of her friend Heath Jarrod. Elizabeth is driven to despair by the disgusting rumors spreading online and bullying texts. The adults decide that the best thing to do is to remove Elizabeth from the situation. Since Anna is about to start her new post as Acting Chief Ranger at Acadia National Park in Maine, they will join her and stay on an island near the park, Boar Island. But the stalker has followed them east. And Heath--a paraplegic-- and Elizabeth aren't alone on the otherwise deserted island" -- page [4] cover