1.) 102 Bible Songs
Kim Mitzo Thompson, Twin Sisters Productions (author)
Twin Sisters; 2005
Audio CD

2.) 102 Instrumental Hymns
Twin Sisters Productions (Creator)
Twin Sisters; 2005
Audio CD

3.) 25 Christmas Favorites (Growing Minds With Music)
Twin Sisters Productions (author)
Twin Sisters; 1998
Audio Cassette

4.) 25 Christmas Favorites (Growing Minds With Music, 12)
Twin Sisters Productions (author)
Twin Sisters; 1998
Hardcover

5.) 50 Fun Learning Songs
Twin Sisters Productions (Creator)
Twin Sisters; 2006
Audio CD

6.) A Child's First Sing-along Collection
Twin Sisters Productions (author)
Twin Sisters; 1999
Audio Cassette

7.) A Child's First Sing-Along Collection
Twin Sisters Productions (author)
Twin Sisters; 1999
Audio CD

8.) Advanced Phonics (Early Childhood Learning, 4)
Karen Mitzo Hilderbrand (Creator), Kim Mitzo Thompson (Creator), Twin Sisters Productions (author)
Twin Sisters; 1999
Audio Cassette

9.) Birthday Party Songs
Twin Sisters Productions (author)
Twin Sisters; 1998
Paperback

10.) Birthday Party Songs (Early Childhood Learning, 4)
Twin Sisters Productions (Creator)
Twin Sisters; 1997
Audio CD

11.) Birthday Party Songs (Early Childhood Learning, 4)
Kim Mitzo Thompson, Twin Sisters Productions (author)
Twin Sisters; 1997
Audio CD

12.) Birthday Party Songs (Early Childhood Learning, 4)
Kim Mitzo Thompson, Twin Sisters Productions (author)
Twin Sisters; 1997
Audio Cassette

13.) Birthday Party Songs (Early Childhood Learning, 4)
Karen Mitzo Hilderbrand, Kim Mitzo Thompson, Twin Sisters Productions (author)
Twin Sisters; 1999
Audio Cassette

14.) Celebrate America (Social Studies, 4)
Kim Mitzo Thompson, Twin Sisters Productions (author)
Twin Sisters; 2002
Audio Cassette

15.) Celebrate America (Social Studies, 4)
Kim Mitzo Thompson, Twin Sisters Productions (author)
Twin Sisters; 2002
Audio CD

16.) Chemistry (The Science Series, 8)
Twin Sisters Productions (author)
Twin Sisters; 1999
Audio CD

17.) Chemistry (The Science Series, 8)
Kim Mitzo Thompson, Twin Sisters Productions (author)
Twin Sisters; 2000
Paperback

18.) Classical Favorites
Twin Sisters Productions (Performer)
Twin Sisters
Audio CD

19.) Colors & Shapes (Early Childhood Learning, 4)
Karen Mitzo Hilderbrand, Kim Mitzo Thompson, Twin Sisters Productions (author)
Twin Sisters; 1999
Audio Cassette

20.) Colors & Shapes (Twin Sisters Productions)
Kim Mitzo Thompson
Twin Sisters; 1993
Paperback

21.) Dinosaurs
Karen Mitzo Hilderbrand, Kim Mitzo Thompson, Hal Wright (illustrator)
Twin Sisters; 1999
Audio Cassette

22.) Dinosaurs (The Science Series, 8)
Twin Sisters Productions (author)
Twin Sisters; 1999
Audio CD

23.) Division: Ages 7-12
Karen Mitzo Hilderbrand, Kim Mitzo Thompson
Twin Sisters; 1990
Audio Cassette

24.) German (Listen & learn a language)
Karen Mitzo Hilderbrand, Kim Mitzo Thompson, Goran Kozjak (illustrator)
Twin Sisters; 1994
Audio Cassette

25.) German for Beginners (Listen and Learn a Language Series, 10)
Twin Sisters Productions (author)
Twin Sisters; 1999
Audio Cassette

26.) Gross & Annoying Songs (Early Childhood Learning, 4)
Twin Sisters
Twin Sisters; 2005
Paperback

27.) Gross & Annoying Songs (Early Childhood Learning, 4)
Twin Sisters Productions
Twin Sisters; 2005
Paperback

28.) Hymns & Bible Songs (Growing Minds With Music, 12)
Twin Sisters Productions (author)
Twin Sisters; 1998
Audio Cassette

29.) Kindergarten Songs That Teach (Early Childhood Learning, 4)
Twin Sisters
Twin Sisters; 2005
Paperback

30.) Make a Joyful Noise
Twin Sisters Productions (author)
Twin Sisters; 1999
Audio CD