This book is part of a book series called Natural Laboratories-Scientists in National Parks .

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

There are 48 pages in this book. This book was published 2019 by Rourke Educational Media .

RUTH A. MUSGRAVE is an award-winning children's writer, specializing in marine and animal science. As a naturalist and lucky hitchhiker on scientific trips, she's been to the deep sea, the lagoons in Mexico to interact with gray whales, and more. As a freelance writer and the director of WhaleTimes, Inc. , Musgrave has been fortunate enough to share her love of animals, the ocean, and ocean exploration. She is the author of EVERYTHING SHARKS (2011) and a frequent contributor to National Geographic Kids Magazine.