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 is the illustrator of many humorous historical Step into Reading books. He lives in Northampton, Massachusetts.
View titles by Richard Walz
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 is the illustrator of many humorous historical Step into Reading books. He lives in Northampton, Massachusetts.
View titles by Richard Walz