Stuart Kells is an author and book-trade historian. His 2015 history of Penguin Books, Penguin and the Lane Brothers, won the prestigious Ashurst Business Literature Prize. His critically acclaimed biography of Kay Craddock—the first female president of the International League of Antiquarian Booksellers—Rare, was published in 2011. His most recent book is Shakespeare's Library: Unlocking the Greatest Mystery in Literature. An authority on rare books, Stuart has written and published on many aspects of print culture and the book world. He has a PhD from Monash University, and lives in Melbourne with his wife, Fiona, and daughters, Thea and Charlotte.