Leave the World Behind by Rumaan Alam

Amanda and Clay head to a remote corner of Long Island expecting a holiday: a quiet reprieve from life in New York City, quality time with their teenage son and daughter and a taste of the good life in the luxurious home they've rented for the week. But with a late-night knock on the door, the spell is broken. Ruth and G.H., an older couple who claim to own the home, have arrived there in a panic. These strangers say that a sudden power outage has swept the city, and - with nowhere else to turn - they have come to country in search of shelter.

Good used condition.