Neuschwander, Cindy

Sir Cumference and the dragon of pi : a math adventure / by Cindy Neuschwander ; illustrated by Wayne Geehan. - New York : Scholastic, c2000. - 32 p. : ill.

When Sir Cumference drinks a potion which turns him into a dragon, his son Radius searches for the magic number known as pi which will restore him to his former shape.

ISBN: 0439180317 (pbk.) ;

Subjects--Topical Terms:
Circle
Pi