JFIC Inkheart (Inkworld, #1), 2005. Twelve-year-old Meggie learns that her father, who repairs and binds books for a living, can "read" fictional characters to life when one of those characters abducts them and tries to force him into service.
Someone saves your life. How far will you go to repay the debt? World War Two, summer, 1942, Nazi-occupied France. A nervous young man sits on a train; his simple mission – to deliver a message on behalf of the resistance. The Germans ask for his papers and his nerves give way. An older woman, sitting opposite, intervenes and rescues him from the clutches of the Gestapo. Who exactly was The Woman on the Train?