For readers of Liane Moriarty and Jennifer Weiner, there's a secret behind the row-house walls of Emerson Street. On a cozy street in Philadelphia, three neighboring families have become the best of friends. They can't imagine life without one another--until one family outgrows their tiny row house. In a bid to stay together, a crazy idea is born: What if they tear down the walls between their homes and live together under one roof? And so an experiment...