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 incredible animals who taught us that you don't have to be big (or human) to make a difference. Simple text and adorable illustrations tell the contributions of nine animals who went down in history as interspecies heroes: • Blossom the vaccine cow • Stubby the war dog • Cher Ami the carrier...