• Prelude to Foundation

    by Isaac Asimov
    1988, Guild Publishing

  • Forward the Foundation

    by Isaac Asimov
    1993-04, Doubleday

  • Foundation and earth

    by Isaac Asimov
    1986, Doubleday

  • Second Foundation

    by Isaac Asimov
    1995, HarperCollins Publishers

  • Foundation

    by Isaac Asimov
    1966, Avon

  • Foundation and Empire

    by Isaac Asimov
    2008-05, Bantam Books

  • Foundation's Edge

    by Isaac Asimov
    1982, Doubleday & Company