Karen Armstrong is the author of numerous books on religion, including The Case for God, A History of God, The Battle for God, Holy War, Islam, Buddha, and Fields of Blood, as well as a memoir, The Spiral Staircase. Her work has been translated into 45 languages. In 2008 she was awarded the TED Prize and began working with TED on the Charter for Compassion, created online by the general public, crafted by leading thinkers in Judaism, Christianity, Islam, Hinduism, Buddhism, and Confucianism. It was launched globally in the fall of 2009. Also in 2008, she was awarded the Franklin D. Roosevelt Four Freedoms Medal. In 2013, she received the British Academy's inaugural Nayef Al-Rodhan Prize for Transcultural Understanding.