year of pub­li­ca­ti­onISBNauthor(s)title
1998978-1-57583-062-9Twin Sisters ProductionsNature Sounds (Growing Minds With Music)
  ''978-1-57583-069-8Twin Sisters ProductionsTraditional Lullabies (Growing Minds With Music, 12)
1999978-1-57583-160-2Victoria Rowell · Twin Sisters ProductionsThe Power of Classical Music (Growing Minds With Music, 12)
2001978-1-57583-226-5Series Growing Minds Cstwns 169PMozart Before You Were Born
  ''978-1-57583-269-2Multiplication Rap: Hip Hop
1993978-1-57583-295-1Phonics Music
2005978-1-57583-296-8Social Studies Music CD/Book Set: States and Capitals (Early Childhood Learning, 4)
1995978-1-57583-308-8Advanced Phonics
2001978-1-57583-310-1Addition (Math Series, 5)
  ''978-1-57583-315-6Subtraction
  ''978-1-57583-320-0Division
2005978-1-57583-330-9Advanced Phonics Workbook/Music CD Set (Early Childhood Learning, 4)
2005978-1-57583-331-6Math Music CD/Book Set: Multiplication (Math Series, 5)
  ''978-1-57583-817-5Kim Mitzo ThompsonPreschool 96pg Workbook & Music Set (Early Childhood Learning, 4)
  ''978-1-57583-818-2Twin Sisters ProductionsKindergarten Workbook
  ''978-1-57583-819-9Karen Mitzo HilderbrandAlphabet & Counting Music CD/Book Set (Early Childhood Learning, 4)
  ''978-1-57583-820-5Twin Sisters ProductionsPhonics Workbook/Music CD Set (Early Childhood Learning, 4)
2006978-1-57583-891-5Karen Mitzo HilderbrandStates & Capitals Workbook

imprints found for this ISBN range: Frank Schaffer · Twin Sisters Prod. · Twin Sisters · Twin Sisters Productions · TWIN SISTERS PRODUCTIONS