If you are a Rowan Williams fan or a Narnia fan, or a fan of both like I am, you'll probably enjoy his three part lecture series Narnia which he completed for his Holy Week Lectures.
Here is the link, right... here.
Bad photo here...
Better photos here.
He's written a number of books. Token of Trust was awesome.
PS: For the unenlightened, he is the Archbishop of Canterbury and will be one of the officiants at a reasonably big wedding coming up this weekend.