Five best: prison writing

Martin E. Marty, an emeritus professor at the University of Chicago, is the author, most recently, of Dietrich Bonhoeffer's 'Letters and Papers From Prison': A Biography.For the Wall Street Journal he named a five best list of books on the theme of prison writing. One book on the list:Conversations With Myselfby Nelson Mandela (2010)"'I feel I have been soaked in gall" was Nelson Mandela's