The CASE OF THE CREEPY CASTLE NEW BOBBSEY TWINS #17 (New Bobbsey Twins, No. 17) Book 1990 The CASE OF THE CREEPY CASTLE NEW BOBBSEY TWINS #17 (New Bobbsey Twins, No. 17) HO Hope 3 readers PublisherAladdinLanguageEnglishPublished1990 GeneralMystery and detective stories