Saw a BookCrossing link to a fabulous blog entry about cakes shaped like or inspired by books. Some absolutely fabulous ones over there, well worth a look.
Just to give you an taste, here's my favourite (or should I say favourites):
You are about to flag this comment as being inappropriate. Please explain why you are flagging this comment in the text box below and submit your report. The blog admin will be notified. Thank you for your input.