Sir Cumference and the Viking's Map A Math Adventure Author: Cindy Neuschwander Retail Price: $7.99 Our Price: $5.59 Save: 2.40 (30.04%) Availability: In Stock        X and Y mark the spot! The seventh title in the popular Sir Cumference series will introduce the mathematical concept of coordinate geometry in a unique and memorable way. While riding through the forests of Angleland, cousins Per and Radius realize they are lost and are desperate for a map to guide them home. Soon they come across a mysterious house in the hills. Inside they find a map to a treasure belonging to Xaxon Yellowbearyd, the fiercest Viking warrior of his time. Per and Radius must decode the strange numbered grid on the map, while trying to steer clear of the pack of bungling bandits who are on their tail. Will they find the treasure in time? Ages 8-11. 32 pages, softcover. Similar Items you may enjoy! Sir Cumference and the Dragon of Pi, A Math Adventure Author: Cindy Neuschwander Our Price: $5.59 Sir Cumference and the Isle of Immeter: A Math Adventure Author: Cindy Neuschwander Our Price: $5.59 Sir Cumference and the Off-the Charts Dessert: A Math Adventure Author: Cindy Neuschwander and Wayne Geehan (illustrator) Our Price: $5.59 Sir Cumference and the Sword in the Cone: A Math Adventure Author: Cindy Neuschwander Our Price: $5.59

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