Behind the Beautiful Forevers: Life, Death, and Hope in a Mumbai Undercity is a 2012 non-fiction book by Katherine Boo. The book chronicles the lives of residents in Annawadi, a slum near the Mumbai airport, offering an intimate portrait of poverty, inequality, and resilience in modern India. Drawing from three years of immersive reporting, Boo explores the impacts of globalization, corruption, and social dynamics through the stories of several families. Behind the Beautiful Forevers received widespread critical acclaim and won the National Book Award for Nonfiction in 2012. It was later adapted into a play by David Hare that premiered at the National Theatre in London.