Sir Cumference and the dragon of pi : a math adventure /
by Cindy Neuschwander ; illustrated by Wayne Geehan.
- New York : Scholastic Inc. 2000
- 32 pages : color illustrations ; 24 cm
0 439180317
Circle -- Dragons -- Knights and knighthood -- Pi -- --Juvenile fiction.--Juvenile fiction.--Juvenile fiction.--Juvenile fiction.