In Praise of Slow, by Carl Honoré [uk, us] is the current BBC Radio 4 Book of the Week:
A look at the international movement of people attemping to take the speed out of modern life.
It’s available online in RealAudio format (mp3 please). Be quick, though!
The reading will be available here for seven days after broadcast, and there’s no permanent page for this particular broadcast on the Book of the Week website. This message will self-destruct in 7 days.