Sir Cumference and the Dragon of Pi

Sir Cumference and the Dragon of Pi

A Math Adventure

by Cindy Neuschwander, Wayne Geehan (Illustrator)
Publisher: Charlesbridge
Trade Paperback, 32 pages
Price: $7.99

Sir Cumference, Lady Di of Ameter, and their son Radius are back in their second Math Adventure! This time, a potion has changed 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.

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