Sir Cumference and the Isle of Immeter

By: Cindy Neuschwander / Illustrated by: Wayne Geehan The perimeter and area of a circle might just unlock a secret! When young Per visits her uncle Sir Cumference and his family, she learns how to play the game, "Inners and Edges." After she finds a clue linking the game to the mysterious castle on the island of Immeter, she must figure out how to find the perimeter and area of a circle to unlock the island's secret. This book teaches beginners how to find the area and perimeter of a rectangle and a circle, and introduces an underlying concept of calculus: using straight lines to measure curves. If you like this book, you’ll enjoy these:The Sir Cumference Math Adventure series [TABS] Look Inside Author & Illustrator Cindy Neuschwander, author Cindy Neuschwander is a native Californian, but she has lived in many places, including Germany, England, Austria, and Hawaii. As a mathematics education specialist, Cindy sought ways to make math fun, interesting, and comprehensible