He has written or edited eight books and numerous articles, among the most recent: Nonviolent Resistance and Culture, 2012 (with M. Sørensen) in Peace & Change, and Tackling Trident (by Irene Publishing).
Han har skrivit eller redigerat åtta böcker och många artiklar, bland de senaste: Nonviolent Resistance and Culture, 2012 (med M. Sørensen) i Peace & Change, and Tackling Trident (från Irene Publishing).