What if the power to hurt were in women's hands? Suddenly - tomorrow or the day after - teenage girls find that with a flick of their fingers, they can inflict agonising pain and even death. With this single twist, the four lives at the heart of Naomi Alderman's extraordinary, visceral novel are utterly transformed. All over the world women are discovering they have the power. With a flick of the fingers they can inflict terrible pain - even death. Suddenly, every man on the planet finds they've lost control. The Day of the Girls has arrived - but where will it end?