To Christian Savage, 11, life is a cruel joke. He's unpopular, unathletic and a target for bullies. He escapes life through daydreams, and in his favorite vision, he's a superhero he calls IncrediBoy. His life changes when he finds two rings lost by an evil alien during a brief stop on Earth. Through the magic of the rings, Christian becomes IncrediBoy in real life. But Christian finds that being a superhero isn't all he expected, and, although he doesn't know it, the evil alien is on his way back to Earth to relclaim his rings, climaxing in a showdown in which the entire universe has a stake Includes "incrediglossary" to help young readers look up words like "oxymoron," "pessimistic," and, of course, words like "incredispeed."