All aboard! Tonight everyone's riding the night train - mothers and fathers, teachers and jugglers - they're all sleepyheads, ready for bed, ready to ride the train to Tomorrow. Everyone, that is, except wide-awake William, who is too excited to sleep. William can't resist exploring the train from end to end, discovering its secrets, until his mother convinces him that the train won't go and Tomorrow won't come until he settles down and shuts his...