Isabel and the Runaway Train

This story of a 16 year old girl named Isabel who runs away from home and finds herself trapped on a magical train full of people who won't stop running. Isabel is the only person on board who remembers her own name and it is up to her to stop the train and save the other passengers (including a Porter, several Choir Members, and a mysterious Writer who may or may not be dead). However, the relationships between Isabel, the passengers and the evil Conductor turns out to be much more complicated than she originally thought.