What high fantasy novel for children by C. S. Lewis, that was seventh and final novel in "The Chronicles of Narnia," featured thefictional character,Prince Caspian?  
Prince Caspian (character): Prince Caspian (also known as Caspian X, King of Narnia, Lord of Cair Paravel and Emperor of The Lone Islands, Caspian the Seafarer, and Caspian the Navigator) is a fictional character in "The Chronicles of Narnia" by C. S. Lewis. The Last Battle:  It was the seventh and final novel in "The Chronicles of Narnia" (1950–1956).
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