Download or read book Sir Cumference and the Dragon of Pi written by Cindy Neuschwander and published by Charlesbridge. This book was released on 2013-01-07 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: For fans of the Sir Cumference series with Pi on their mind, here is the second installment in this fun look at math and language. This time the math adventure is centered around a potion that changes Sir Cumference into a fire-breathing dragon. Can Radius change him back? Join Radius on his quest through the castle to solve a riddle that will reveal the cure. It lies in discovering the magic number that is the same for all circles. Perfect for parent and teachers who are looking to make math fun and accessible for everyone.