“The Penguin Podcast is a fortnightly episode of book extracts, author interviews and features from Penguin Books UK.”
While I haven’t checked any of their excerpts out, I downloaded their Christmas special: the complete A Christmas Carol by Charles Dickens. It’s offered in five installments. Download the mp3 files here: episode 1, episode 2, episode 3, episode 4, episode 5. Maybe we’re going to listen to them while driving to our parents/in-laws for Christmas.