Publisher Annotation: Since he was six years old, Milo has lived on board the Sesquipedalian, or “Quip,” a magical train that uses the power of imagination to travel through both stories and the real world. Aboard the Quip, Milo lives and works with his uncle, Horatio, a book smuggler who trades in rare books. When Horatio takes on a dangerous new job, he needs the help of Tilly Pages, a uniquely gifted bookwanderer. But when Tilly's grandfather...

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.