John Dickerson talks with author Roland Allen about his new book, The Notebook: A History of Thinking on Paper. They discuss the historical origins of notebooks, how to keep a notebook and their own personal journeys documenting their lives. If you enjoyed this conversation, you’ll love an exploration into John Dickerson’s notebooks with his podcast Navel Gazing. Season one is out now. Tweet us your questions @SlateGabfest or email us at gabfest@slate.com. (Messages could be quoted by name unless the writer stipulates otherwise.) Podcast production by Cheyna Roth. Learn more about your ad choices. Visit megaphone.fm/adchoices