THE FLY ON THE CEILING - STEP INTO READING 4

THE FLY ON THE CEILING - STEP INTO READING 4 Recognized as the father of analytic geometry, René Descartes was a French mathematician and philosopher. Kids will love this funny and very accessible tale - based on one of math's greatest myths - about the man who popularized the Cartesion system of coordinates. RICHARD WALZ Richard Walz is the illustrator of many humorous historical Step into Reading books. He lives in Northampton, Massachusetts