Third Grade Ghouls By (author): "Stephanie Roth, Colleen O'Shaughnessy McKenna"Genres:Chapter Books Halloween books School Stories books ISBN0439567114ISBN139780439567114AsinThird Grade GhoulsOriginal titleThird Grade GhoulsSeriesThird Grade #2Third grader Gordie worries about coming up with a scary costume for the school Halloween parade and about having to take care of a timid younger boy.