This book is part of a book series called Influential People .

This book has been graded for interest at 10-12 years.

This book was published 2019 by Capstone Press .

STEPHANIE WATSON is an independent scholar who has written and contributed to numerous works, including World of Genetics and Science and Its Times . She is the author of The Urinary System , and coauthor of The Endocrine System , both in Greenwood's Human Body Systems series. Samantha Bell is the author of more than 80 nonfiction books for kids. She lives in the upstate of South Carolina with her family and lots of pets. Abby Cooper has worked as a librarian for early-elementary school students and a K-8 library media specialist. She is the author of Sticks & Stones . She lives in Minnesota.