Diet Soap issue #4 has the theme of Slavery and features fiction, non-fiction, poetry and art by Doug Lain, K.J. Hannah Greenberg, H.V. Chao, R.R. Litwicki Jr., Iris Macor, David Backer, Kaolin Fire, Gord Sellar, Steven Utley, the Situationalist International 1960, Jason S. Riddler, Michael Canfield, D.C. Whittier, and Jane Eisenhart.