Bad Day for Ballet By (author): "Anthony Accardo, Anne Greenberg, Carolyn Keene"Genres:Childrens books Mystery books Chapter Books ISBN0671879480ISBN139780671879488AsinBad Day for BalletOriginal titleBad Day for Ballet (Nancy Drew: Notebooks, #4)SeriesNancy Drew: Notebooks #4Nancy must find the missing music tape before 3:00 on Sunday or else the ballet recital will be cancelled.