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Neuschwander, Cindy

Sir Cumference and the Sword in the Cone: A Math Adventure

32 pp. | Charlesbridge | July, 2003 | Trade ISBN 1-57091-600-4 $$16.95 | Paper ISBN 1-57091-601-2 $$6.95
(4) K-3 Illustrated by Wayne Geehan. King Arthur, looking for an heir, creates a math puzzle that Vertex is to solve with his friend Radius. After several deductive leaps, Vertex and Radius discover the sword Edgecalibur in a cone in the castle with a height three times its base. The math (involving Euler's Law) is too dense for this book's audience, but the charming story, enhanced by warm, textured acrylic and oil illustrations, will carry readers along.
Reviewer: Anita L. Burkam

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