TY  - BOOK
AU  - Neuschwander, Cindy
AU  - 630
TI  - Sir Cumference and the sword in the cone / 
SN  - 0 439632420
CY  - New York
KW  - Geometry
KW  - Mathematical recreations
KW  - Mathematics --
KW  - Juvenile literature
N1  - Originally published: Watertown, Massachusetts : Charlesbridge Publishing, c2003
ER  -