As the paperback book democratized reading in the 20th century, cover art became a powerful marketing tool to sell books to the masses. The cover of George Orwell's Nineteen Eighty-Four changed over time, from its classic 1950s Penguin design to the latest artwork from Jon Gray, each iteration reflecting its respective decade's approach to selling the book to new readers. David Pelham's iconic 'cog eye' design for Anthony Burgess's A Clockwork Orange...