Premise: Christopher James Paolini (born November 17, 1983, Los Angeles, California) is an American author. He is the author of the "Inheritance Cycle", which consists of the books "Eragon", "Eldest", "Brisingr" and "Inheritance". He currently lives in Paradise Valley, Montana, where he wrote his first book.
Hypothesis: Christopher James Paolini wrote his first book when he was 20.