The Penguin Prize Pack contest was by far my most successful contest to date - nearly 300 entries. I think it is safe to say that there will be more of these in the future! Thank you for all of your suggestions on sites to find out about books. Many I knew already, but many were also new to me. I used random.org to draw the winner:
#30 is Hillary of The Book Reader. Congrats!
Now here's Daniel drawing the winner of the custom header contest: