Here are some recommended books on the topics of nonviolence and just peace. Thanks to Tobias Winright for suggestions on the just peace reading list published through the National Catholic Reporter.
Engage: Exploring nonviolent living Laura Slattery, Ken Butigan, Veronica Pelicaric, Ken Preston Buy from publisher / Download
Peacebuilding: Catholic Theology, Ethics,... Edited by Robert J. Schreiter, R. Scott Appleby, and Gerard F. Powers Buy from publisher / Download
A Faith Not Worth... Edited by Tripp York and Justin Bronson Barringer Buy from publisher / Download
Interfaith Just Peacemaking: Jewish,... Edited by Susan Brooks Thistlethwaite Buy from publisher / Download