She’s only 4 years old, but Daliyah Marie Arana already knows what she wants to be when she grows up.

A librarian.

Wednesday, she went to Washington, D.C., as a guest of Carla Hayden, the 14th Librarian of Congress. Hayden gave Daliyah a chance to shadow her as "librarian for the day," at the Library of Congress, the Washington Post reported.