The fascinating medieval arithmetic tale “Sir Cumference and the Dragon of Pi” was penned by Cindy Neuschwander and illustrated by Wayne Geehan. In this fanciful story, wordplay, and pun expert Sir Cumference is turned into a fire-breathing dragon by an enigmatic elixir. In an attempt to solve a puzzle and find the solution,
his son Radius sets out on a castle adventure. The key is to comprehend π (pi), the mystical number that is constant throughout all circles. For children ages 5 to 11, this charming book makes math approachable and enjoyable by fusing creativity with real-world problem-solving.