"Emma Rosenblum's Bad Summer People is a whip-smart, propulsive debut about infidelity, backstabbing, and murderous intrigue, set against an exclusive summer haven on Fire Island. None of them would claim to be a particularly good person. But who among them is actually capable of murder? Jen Weinstein and Lauren Parker rule the town of Salcombe, Fire Island every summer. They hold sway on the beach and the tennis court, and are adept at manipulating...