Winner of the Baileys Women's Prize for Fiction 2017 and one of Barack Obama's best books of 2017. "Electrifying" - Margaret Atwood. "A great, gripping, thought-provoking thriller" - Guardian. Women around the world are discovering that they have power. With a snap of their fingers, they can inflict terrible pain - even death. Suddenly, every man on the planet realizes he has lost control. The day of the girls has come - but where will it end? "The Hunger Games meets The Handmaid's Tale" - Cosmopolitan. "Outstanding. Insightful, thrilling, witty. Well done, gripping, serious" - Daily Telegraph. "Fascinating, brilliant, with breakneck pace. Deserves to be read by every woman (and for that matter, every man)" - The Times. "Irresistible. Holds a mirror to our here and now" - Mail on Sunday. "Dreadful, thrilling, a delight" - Financial Times. "A shocking, nerve-wracking story" - Observer.