Of course there are other libraries. The Unwritten is just one wing, though one of the largest. There are wings of poetry, wings of songs, wings of dying words and visions. The libraries maintain a prickly kind of alliance, separated by realms. If one library falls, it could signal the end for them all. The Library stands together. The only exception to note is the Dust Wing, which houses all the works created and lost to time. But the less said about that dark hall, the better.
