"Tilly and Oskar embark on an impromptu trip to the Library of Congress in Washington, DC, in search of an elusive group of bookwanderers called the Archivists, who they believe are the key to restoring the balance and saving the British Underlibrary. Along the way, the friends realize that something strange is happening in the world of bookwandering: books are disappearing, people are forgetting their favorite stories, and stories are trying to drag...