This book is part of a book series called Hello Math Reader .

This book is aimed at children in primary school.

This book was published 1996 by Scholastic US .

Sheila Keenan is the author of many nonfiction books, including GREETINGS FROM THE 50 STATES; ANIMALS IN THE HOUSE; O, SAY CAN YOU SEE?; GODS, GODDESSES, AND MONSTERS; and the SCHOLASTIC ENCYCLOPEDIA OF WOMEN IN THE UNITED STATES. She lives in New York City.