Nancy Castaldo is the author of several nonfiction books for children, including SNIFFER DOGS: How Dogs (and Their Noses) Save the World, Deserts, Rainforests, and River Wild. She lives in New York’s Hudson Valley with her family.

Books by Nancy Castaldo

Beastly Brains: Exploring How Animals Think, Talk, and Feel

by Nancy Castaldo - Animals , Children's Nonfiction, Nonfiction, Science, Young Adult 14+