Sir Cumference and the sword in the cone

Sir Cumference, Radius, and Sir Vertex search for Edgecalibur, the sword that King Arthur has hidden in a geometric solid.

Main Author: Neuschwander, Cindy.
Other Authors: Geehan, Wayne (Illustrator)
Format: Books Print Book
Language: English
Published: Watertown, MA : Charlesbridge, c2003.
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