For Elizabeth Marie Hutchinson, meeting Pappus turned out to be the best thing that could have ever happened. Now that Pappus had helped to solve Elizabeth's problem with her best friends, it was time to deal with Margaret Callahan. Only how does anyone deal with Margaret? She is without a doubt the meanest, most conceited, brattiest girl in the entire school. How could Elizabeth have promised Pappus she would try to be friends with Margaret? What...