Biography for Corkscrew Counts : A Story About Multiplication

McMillan Palgrave

DONNA JO NAPOLI is an acclaimed author best known for her fantasy novels. She lives in Swarthmore, Pennsylvania with her husband and five children.

is an author and a project coordinator for the Math Forum, an online mathematics education center. He lives in Philadelphia, Pennsylvania.

ANNA CURREY has illustrated several books for children. She lives with her family near Bath, England.