Did you know that more than 90 million dogs are kept as pets in the United States? A veterinarian makes sure pets are healthy at checkups. Learn more about veterinarians in this title.
Did you know that more than half of American firefighters are volunteers? Firefighters come when people call for help. Learn more about firefighters in this title.
Did you know that there are more than 16,000 public libraries in the United States? A librarian picks new books for the library and makes them easy to find. Learn more about librarians in this title.
Did you know that more than 50 million children attend public schools in the United States? A teacher helps children explore new things. Learn more about teachers in this title.
