The Library of Congress is the biggest library in the world. It is in Washington, D.C. The library has more than 164 million items. It has books, photographs, recordings, and more. CARLA HAYDEN oversees it all. She is the Librarian of Congress. Hayden is the first woman and the first African American to have the job. She wants to make sure there are digital copies of all the library’s documents. That will allow people all over the world to use them. “It’s opening up the world,” Hayden told TIME.