"Today, women are ascendant in standup comedy, even preeminent. They make headlines, fill arenas, spawn blockbuster movies. But before Amy Schumer slayed, Tiffany Haddish killed, and Ali Wong drew roars, the very idea of a female comedian seemed, to most of America, like a punchline. And it took a special sort of woman-indeed, a parade of them-to break and remake the mold. In on the Joke is the story of a group of unforgettable women who knocked down...