Sir Cumference and the Viking's Map

Part of the beloved Sir Cumference series, this math adventure combines medieval fantasy with coordinate geometry concepts. When Sir Cumference's children Per and Radius encounter a Viking map, they must use coordinate grids to find hidden treasure. The book cleverly introduces mathematical concepts like plotting points and reading maps through an engaging story, making learning fun for elementary-aged readers. Illustrated by Wayne Geehan with charming medieval-themed artwork.