Roy Eberhardt is recently, and unhappily, arrived in Florida. 'Disney World is an armpit compared to Montana,' he announces. Roy's family moves a lot so he's used to the new-kid drill - and to bullies like Dana Matherson. And anyway, it's because of Dana that Roy gets to see the mysterious running boy - who runs away from the school bus and who has no books, no backpack and, most oddly, no shoe...