BESTSELLING CLASSIC SERIES! More than 5 million Arthur Adventure books sold! Get spooked with Arthur this Halloween! With all of his classmates in costumes, Arthur can't tell who's who at the school Halloween party, and he nearly faints when Buster passes around bowls of eyeballs and brains! But when Arthur's little sister wanders off into the scariest house on the street while trick-or-treating, he's got to find the courage to go in and save her. Will Arthur and D.W. make it out alive?