From the courage of Stubby the war dog to the empathy of Koko the gorilla, Amazing Animals Who Changed the World is a young child's first introduction to the in

From the ranging curiosity of Leonardo da Vinci to the dedication and sacrifice of Marie Curie, Inventors Who Changed the World is a young child's first introdu

An exploration of the ways in which animals--from dogs to dolphins, sheep to silkworms--have changed the course of human history.

Do you know who the world's smartest animal is? How exactly do spiders spin their webs? Have you heard about the tiniest frog on earth? Find out the answers to

"Packed with beautiful and engaging photos, this new leveled reader dives into the amazing world of animals that change their appearance based on environment, t