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  • Published: Watertown, MA : Charlesbridge, c2003.
  • Year Published: 2003
  • Description: 32 p. : col. ill. ; 26 cm.
  • Language: English
  • Format: Book

Reading Level

  • Lexile: 630

ISBN/Standard Number

  • 1570916004 (Hardcover) :
  • 1570916012 (Softcover)

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Sir Cumference and the sword in the cone : a math adventure

by Neuschwander, Cindy.

There are currently 2 available

Where To Find It

Call number: J 516 Ne

Available Copies: Downtown Youth, Malletts Youth

Additional Details

Youth level.

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

Community Reviews


It was an okay book even though I learned this stuff already. If I didn't, it was really helpful.

Cute math

Cute story and series with great illustrations. Good for younger students (middle school). More from Sir Cumference, Lady Di of Ameter, Radius, etc. Radius' friend Vertex must find Edgecalibur to become an heir to the king, with help from the carpenters Geo and Sym of Metry to decipher 3-D shapes and their measures.

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