Doris Lessing, the Nobel prize-winning author of The Golden Notebook, died Sunday. She was 94. She is the author of over 50 novels, including Memoirs of a Survivor, The Summer Before Dark, and Under My Skin. She became the oldest Nobel Laureate in 2007, at the age of 88. Born in what is now Zimbabwe, Lessing published her first novel, The Grass Is Singing in 1950. Her 1962 novel The Golden Notebook was considered a “feminist Bible.” She died in London.