Saxton Freymann has a way with pumpkins. These are not traditional "jack-o-lanterns", but amazing expressive sculptures in Cucurbitaceae. (The scientific Family name for pumpkins!)
If you are looking to do something a little different with your pumpkins this year, both of these books offer some amazing ideas. While Play With Your Pumpkins, is a "how-to" book, Dr. Pompo's Nose is a children's story book, illustrated with Freymann's work.