Mark Twain ; with an introduction by Robert Gray Bruce and Hamlin Hill. Barry Lopez ; with an introduction by Robert Macfarlane. Mark Twain ; with an introduction by Justin Kaplan and a new afterword by John Seelye. Graham Greene ; with an introduction by Robert Macfarlane. edited and with an introduction by Robert A. Martin edited and with an introduction by Susan Cahill. Mark Twain ; with an introduction by Justin Kaplan and 46 ilustrations by Dan Beard. selected and with an introduction by Bennett A. Cerf and Van H. Cartmell. With an introduction by Robert Hampson & Andrew Purssell. edited and with an introduction by Robert Skidelsky.