Robert Holmes is one of the leading proponents of nonviolence in the United States, and his influence extends to the rest of the world. However, he has never presented his views on nonviolence in full-length book form. The Ethics of Nonviolence brings together his best essays on the topic, both classic works and more obscure pieces, as well as several important essays that have never been published.

Holmes started his career by following Dewey and James, and then turned toward metaethics. The Vietnam War finally led him toward moral problems related to war and violence. For...