I Loved the Beatles Song “Paperback Writer”… When I came into publishing almost fifty years ago, what dominated as far as fiction distribution was the mass market paperback. In 1977 I opened a bookstore called “The Paperback Exchange” and did really well, changing the name to “Twice Sold Tales” after I bought a comic store and the towns only album store and moved them all in together. It was a fun place. As a writer, all I ever wanted to be was a paperback writer. And then as the world changed in the early part of this century, trade paperbacks started taking the place of mass market paperbacks and now…