Sir Cumference and his son, Radius, sat in the shade of a tree, enjoying a delicious midday meal. Partway through the lunch, Sir Cumference grabbed his stomach and doubled over in pain. "Ooooh, my belly!" he wailed. "It feels like fire! Radius! Run to the castle. Find the good doctor and get me a cure." Excerpted from Sir Cumference and the Dragon of Pi by Cindy Neuschwander All rights reserved by the original copyright owners. Excerpts are provided for display purposes only and may not be reproduced, reprinted or distributed without the written permission of the publisher.