"Tilly Pages and her friend Oskar journey to Washington, D.C., where she wanders inside the books at the Library of Congress and they try to stop a nefarious plan with some powerful help"--Provided by publisher.
Eleven-year-old Tilly Pages, who has found comfort in her grandparents' bookshop since her mother's disappearance, now learns that she can bookwander into any stories, and decides to seek her mother.