Sir Cumference and the Viking's map : a math adventure /

"Xaxon Yellowbearyd was the fiercest Viking warrior of his time. Now a map to his hidden treasure lies in the hands of Radius and Per. Together the cousins must decode the strange numbered grid on the map--and figure out the secret of the Viking's X and Y axes. As bandits pursue them, Radi...

Full description

Bibliographic Details

Main Author:	Neuschwander, Cindy
Other Authors:	Geehan, Wayne (Illustrator)
Format:	Book
Language:	English
Published:	Watertown, MA : Charlesbridge, [2012]
Subjects:	Coordinates > Juvenile literature. Geometry, Analytic > Juvenile literature. Coordinates. Geometry, Analytic. Analytic geometry.