“An Empty Swing” by Nick Hanson, 2017 A sick psychopath violates and murders children. A vengeful spirit massacres a family in a gory bloodbath. Par for the course in an occult thriller aimed at adults. But the rest of this book, following a kid psychic, his troubled girlfriend, and a ghost playing pranks, reads like Young Adult (i.e., teen) novel. Is this a bad thing? Parents of young readers might say yes. Contrariwise, some adult readers might find the book a tad light