This book is part of a book series called Closer Look At .

This book has been graded for interest at 8-12 years.

There are 192 pages in this book. This book was published 2018 by National Geographic Society .

STEPHANIE WARREN DRIMMER writes for children as well as adults. Her favorite kid book topics include a planet where it rains rocks, the chemistry of the perfect cookie, and scientists who use light to control mouse brains.