"What audacity " exclaimed actor Robert Wagner when he heard about the authors' adolescent exploits in nabbing interviews with Hollywood celebrities. In 1978, Fantle and Johnson, St. Paul teenagers, boarded a plane to meet with Fred Astaire and Gene Kelly. They had written the stars requesting interviews--and to their amazement, both agreed. Over the years, more than 250 other stars also agreed--Lucille Ball, Bob Hope, James Cagney, Mickey...