Citizens of the UK have the chance to win a copy of Harry Potter and the Half-Blood Prince on audiobook, as The Times (UK) is holding a contest online:
If you've just finished reading it and are already missing Harry's exploits, we have three copies of Harry Potter and the Half-Blood Prince on audiobook to be won, which might help with those withdrawal symptoms. The book is read unabridged by Stephen Fry and runs for a whopping 21 hours on 21 CDs.
Visit the site to find out how to enter. Make sure to read the terms and conditions. Good luck to the participants.