2 volumes, Waldkircher Verlagsgesellschaft, Waldkirch, 1981, pp. 387
- Vol. 1: Historische Erfahrungen und Grundzuege der Strategie, 1981, 193pp;
- Vol. 2. Formen und Bedingungen des Zivilen Widerstands, 1981, 194 pp.
Ebert has researched important examples of earlier nonviolent resistance, e.g. the 1953 East German uprising, and has been a leading theorist of nonviolent action and civilian defence since the 1960s. Both books are compilations of articles Ebert wrote on the subject in the 1970s.