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Description
When the Zills family is summoned to Egypt to help find the hidden burial side of an ancient pharaoh, Matt and Bibi are locked into an adventure they'll never forget. Luckily, the two know their geometry, so they use math to escape from the pharaoh's tomb. Full color.
Cindy Neuschwander is an elementary school teacher who loves teaching math. She also enjoys traveling, reading, and writing stories. She thought up Sir Cumference while visiting medieval castles in England, where she used to live. Cindy is a native Californian born in San Diego, but she has lived in many places, including Hawaii, Austria, and Germany. She currently lives in Pleasanton, California.