"To save the Library of the Unwritten in Hell, former librarian Claire and her allies may have to destroy it first. Claire, the rakish Hero, the angel Rami, and the muse turned librarian Brevity have accomplished the impossible by discovering the true nature of unwritten books. But now that the secret is out, Hell will be coming for every wing of the library in its quest for power. To protect the Unwritten Wing and stave off the insidious reach of...