Bestsellers

A medieval 'bestseller', The Prose Tristan, a retelling of the Tristan and Iseult story in French prose, Chantilly, Musée Condé, 646

Any popular book today is by definition a bestseller, as most books are being sold on the book market. Authors don't become well-known unless their books get into as many hands as possible. And that can't happen unless book…