Quinn, Daniel. Ishmael. New York, NY: Bantam/Turner Book, 1993. A book that gives us a sense of where Shadow Work® fits in the flow of history. A must-read Shadow Work® book.
Abrams, Jeremiah, and Zweig, Connie. Meeting the Shadow: The Hidden Power of the Dark Side of Human Nature. Jeremy P. Tarcher/Putnam, 1991.
A collection of essays about the shadow by Carl Jung, Joseph Campbell, Robert Bly, Marie-Louise von Franz, Harville Hendrix, Rollo May, M. Scott Peck, Sam Keen, James Hillman, Ken Wilber, Hal Stone and Sidra Winkelman, John Bradshaw, Barbara Hannah, and many others.