We are talking about collecting books and art associated with JRR Tolkien, the author who gave us The Hobbit and The Lord of the Rings. Our guest is Mark Faith, who runs Festival Art and Books, a bookselling firm located near Machynlleth in Wales that has specialized in rare Tolkien books and fantasy art since 2001. From the impact of American paperback editions to the influence of Peter Jackson's movies, Mark reveals how demand for Tolkien's work has evolved over the decades.