Over at Facsimile Dust Jackets you can find (and purchase) an incredible selection of scans of dust jackets from classic novels by Kurt Vonnegut, Philip K Dick, Doris Lessing, Ernest Hemingway, Gertrude Stein, Christopher Isherwood, Norman Mailer, Jack Kerouac, Henry Miller, Agatha Christie, Aleister Crowley, Dennis Wheatley, Robert Bloch, Len Deighton and many, many more. Have a look for yourself here.