Logan's Run, by William F. Nolan and George Clayton Johnson. This is the paperback version of the novel with the movie tie-in cover for the 1976 Michael York film. Originally published by the Dial Press,
Dan Meth has put together a series of pop culture charts. Number 6 explores which year in the future science fiction films take place. I had no idea A Clockwork Orange took place in I remember that year being a lot more low key. Link via Geeks Are Sexy.