Sir Cumference and the Fracton FaireBy: Cindy Neuschwander Illustrator: Wayne Geehan Series: Sir Cumference Join Sir Cumference and the gang for more wordplay, puns, and problem solving in the clever math adventure that introduces readers to the concept of fractons. Sir Cumference and Lady Di discover "Fracton numbers" while purchasing cloth and cheese at the Fracton Faire. While two fourths may seem like the same as one half, in truth it denotes two parts of one half, or two quarters