From School Library Journal
Grade 3-5--Neuschwander retells "The Sword in the Stone" from a mathematical angle. Readers follow along with Sir Cumference and Lady Di of Ameter as their son Radius and his friend Vertex set out to find Edgecalibur. Filled with riddles and puns, the story is sure to delight students with some geometry background. Geehan's bright oil, acrylic, and pen-and-ink paintings include all the visual details that the text needs to help solve this geometrical mystery. If your students have enjoyed the first three books in the series, they will certainly want this one. Make sure to share these gems with your math teachers. The books can be used to support educational initiatives such as multiple intelligences, and students who are strong in verbal/linguistic areas will appreciate the integration of literature into their math lessons.--Christine E. Carr, Lester C. Noecker Elementary School, Roseland, NJ
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About the Author
Cindy Neuschwander is an elementary school teacher who loves teaching math. She also enjoys traveling, reading, and writing stories. She thought up Sir Cumference while visiting medieval castles in England. Cindy lives in Pleasanton, California.