Twain's last completed novel, published when he was 61 years old, recounts the life of Joan of Arc through a fictional character (invented by Mark Twain) - The Sieur Louis de Conte. Joan of Arc, at the age of seventeen, fights for French independence from the English in the 15th century under Charles VII. Louis accompanies Joan as her secretary through the battles and witnesses her trial and execution at the hands of the English. Learn more about your ad choices. Visit megaphone.fm/adchoices