I'm not sure whether this is being marketed as a YA novel, but that's the tone it communicates. It's a light, short, fun read, but doesn't break any new ground. Without spoiling anything, if you've seen Groundhog Day, it's very similar, with a few twists. Minus one star for the eye-rollingly heavy-handed application of one of the worst fiction cliches: "New York is another character in the book!"