• De Bono's Thinking Course

    by Edward de Bono
    1994, Facts on File

  • Six action shoes

    by Edward de Bono
    1991, HarperBusiness

  • Wordpower

    by Edward de Bono
    1977, Harper & Row

  • Teaching Thinking (Pelican)

    by Edward de Bono
    January 25, 1979, Penguin Putnam~trade