"From one of our country's most prominent rabbis, an inspiring book about the power of community based on one of her most impactful sermons. In 2013, Rabbi Sharon Brous gave a sermon in which she preached the need-in an era riven by loneliness, social alienation, polarization, and ideological extremism-to reclaim the simple act of showing up for one another. That day marked the beginning of an essential change in the community. Based on that original...