After two producers, four directors, thirteen years, and uncounted rewrites, the movie version of John Irving's acclaimed novel, <i>The Cider House Rules</i>, at last made it to the big screen. Here is the author's account of the novel-to-film process. Anecdotal, affectionate, and delightfully candid, <i>My Movie Business</i> dazzles with Irving's incomparable wit and style.