The fly on the ceiling
Subtitle: a math reader
By: by Julie Glass ; illustrated by Richard Walz.
Series: Step into reading. Step 4; Step into reading
Publisher: Random House
Place of publication: New York
Number of pages: 48
Subjects: Descartes, René, --  1596-1650 -- Juvenile fiction; Graphic methods -- Juvenile fiction; Orderliness -- Juvenile fiction
Genres: Juvenile fiction.
Description: A story about how the very messy French philosopher, René Descartes, invented an ingenious way to keep track of his possessions.
Notes: "Reinforces problem-solving skills and introduces the Cartesian Coordinate System"--Cover p. [4].