Look sharp! shouted Edmund. All catch hands and keep together. This is magic — I can tell by the feeling! Prince Caspian is in terrible danger when his wicked uncle, King Miraz, decides to get rid of the young heir to the throne. In desperation, Caspian blows the magic horn, calling on Peter, Susan, Lucy and Edmund in Narnia's hour of need. This is the fourth adventure in the exciting Chronicles of Narnia.