Can a dog provide therapy? What kind of therapy? Find the answers to these questions and more in National Geographic Kids new series Doggy Defenders. In this installment, meet Willow, a greyhound therapy dog. The story introduces Willow and her owner Megan and explains what she does as a therapy dog. Readers join Willow as she visits patients in the hospital, Veterans, and goes to a school reading with other children. The book ends with a Q&A with Megan and discusses how Willow was trained to be such a good therapist. Willow also gives her advice on how to be kind and a good friend. Beautiful, full-page photos display Willow at work, engaging small children who may not be able to read some of the bigger words on their own just yet. Dog lovers and curious children will love reading about Willow.