Book excerpt: Given the pervasive threat of ethnic conflict and the growing incidence of internal wars spilling across borders, understanding the impact of third-party intervention on conflict prevention, durable peaceful governance, and amicable social relations becomes critical exercises for any scholar of conflict management. The purpose of this project is to determine whether intervention strategies undertaken by international, regional, and subregional actors can be devised or improved so as to maximize the likelihood of successful conflict management in the case of internal conflicts, particularly ethnic conflicts. As the literature and empirical evidence suggest, third-party intervention does not always prevent or end violence. Jennifer L. De Maio contends that external involvement is more likely to lead to effective conflict management if it works to alter the perceptions of the antagonists and ensures that the parties truly own the peace. Book jacket.