Most Popular Books
- African-American Inventors II: Bill Becoat, George Carruthers, Meredith Gourdine, Jesse Hoagland, Wanda Sigur (Capstone Short Biographies)
- Environmental Science and International Politics: Acid Rain in Europe, 1979-1989, and Climate Change in Copenhagen, 2009
- African-American Inventors III: Patricia Bath, Philip Emeagwali, Henry Sampson, Valerie Thomas, Peter Tolliver (Capstone Short Biographies)
- Food Fight : Challenging the USDA Food Pyramid 1991
- Significant American inventors