This book is part of a book series called Ologies .

This book has been graded for interest at 9-12 years.

There are 80 pages in this book. This book was published 2010 by Candlewick Press, U. S. .

Emily Hawkins is a writer and editor of children's books for all ages. She wrote the New York Times bestseller Oceanology, as well as several other titles in the Ology series, which has sold over 16 million copies worldwide. She holds a first-class English degree from Nottingham University, and now lives in Winchester with her young family. Clint Twist is the author of more than 30 books, including "Atlas of the Celts" and "Ecology Watch: Seas and Oceans. "