Beaver's excitement at finding a mussel that doubtless contains a pearl is tempered by the realization that such a treasure could stir the greed of his friends, causing a chain of environmentally disasterous events.
When troubled thirteen-year-old Luke's dream of becoming a professional surfer seems threatened by some real competition from a girl he barely knows at junior high school, he reacts with angry outbursts that drive his friends away.
When he arrives on an island paradise, Napoleon the dog orders its friendly inhabitants to help him construct a big house that gradually takes over all of the available space.
Lucy and Edmund, accompanied by their peevish cousin Eustace, sail with King Caspian through magic waters to the End of the World where they discover the world's end is only the beginning.