Flere bøker av Glenn Clark:

• The Man Who Talks with the Flowers

  The Intimate Life Story of Dr. George Washington Carver

  African American Heritage Book / Glenn Clark

  Heftet

  

• The Man Who Tapped the Secrets of the Universe

  Glenn Clark

  Heftet

  

• City Limits

  Perspectives on the Historical European City

  Glenn Clark , Judith Owens og Greg T. Smith

  Heftet