What does a doctor do? These kids have a few ideas. But to learn more, they talk to Dr. Zambil. He tells them how he helps sick or hurt kids feel better. He sees healthy kids to help keep them healthy. He even helps train new doctors. Let's hear it for doctors!

Bridget Heos is the author of 13 young adult nonfiction books and the Expecting Animal Babies picture books. Prior to being a children's book author, she wrote for several newspapers and magazines, including The Christian Science Monitor, The Kansas City Star, and Missouri Lawyers Weekly. Bridget lives in Kansas City with her husband and three sons.