Pulitzer Prize-winning author Tracy Kidder and former executive editor of The Atlantic Richard Todd talked about their book, Good Prose: The Art of Nonfiction - Stories and Advice from a Lifetime of Writing and Editing, in which they recount their working relationship and offer advice on writing non-fiction. Mr. Kidder and Mr. Todd present their thoughts on the challenges inherent to the genre and the realities of making a living as a writer. They spoke at the Boston Public Library.