Writer Lisa Cohen took on the mammoth task of creating a triple biography to create her latest work All We Know, which she will be discussing with Hilton Als. The book details the stories of Manhattan intellectual Esther Murphy; Mercedes de Acosta, a poet and playwright known for her friendships and romances with celebrities like Marlene Dietrich, and Greta Garbo; and Madge Garland, an influential editor of British Vogue.