There is a book in the Library of Doom which contains only a single sentence, but when it is read, the reader vanishes into nothing--but now that book is creating havoc on a school bus, and it is up to the Blue Librarian to protect the children.

After an explosion splits open the Treasure Vaults of the Library a Page seems to be missing, and it is up to the Librarian to find out what happened before the evil Watch-Man turns everything to dust with the Topaz of Time.