1594519
9781570911699
Radius is on a quest. To earn his knighthood he must find and rescue a missing king with only a circular medallion, a mysterious poem, and his own wits to guide him. Illustrations.Neuschwander, Cindy is the author of 'Sir Cumference and the Great Knight of Angleland A Math Adventure' with ISBN 9781570911699 and ISBN 157091169X.
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