By Kate Andersen Brower, Author. Have you ever wondered what exactly goes on inside 1600 Pennsylvania Avenue? Sure, the president of the United States lives and works here, but do you know who takes care of this historic house? It’s not an easy task, especially when there are important state events and foreign dignitaries—in addition to presidential pets, mischievous children, and even a ghost or two. No one knows the amount of hard work required better than the nation’s first ladies, who play important roles inside the White House. They, along with the nearly one hundred Residence staff members, keep it all running smoothly. For ages 8 and up.