except for brief excerpts in connection with reviews or scholarly analysis. Use in connection with any form of information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed is forbidden. The use in this publication of trade names, trademarks, service marks, and similar terms, even if they are not identified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights.Printed on acid-free paper springer.com To all those who have fought for liberation, to all those yet struggling to have it, to all those who have been partners in the pursuit, thus helping humanity.As series editor, I am delighted to see this fine book added to the Peace Psychology Book Series. The book editors, Maritza Montero and Christopher Sonn, have done a masterful job, making liberation psychology accessible to a wide audience while maintaining a scholarly focus throughout.It is fitting that liberation psychology is center stage in the Peace Psychology Book Series because peace psychologists recognize that the sustainability of peaceful discourses and actions rests upon the continuous crafting of structures and institutions that are responsive to people's desire for voice and representation in matters that affect their well-being. Hence, the social justice agenda of liberation psychology is at the core of peace psychology.The pursuit of social justice has not always been central to peace psychology. North American psychologists began to organize and identify themselves as "peace psychologists" in the 1980s during the Cold War. The Cold War featured a global power struggle and nuclear arms race between the United States and Soviet Union. A culture of fear pervaded and the problem of social justice was given short shrift in light of what seemed to be the preeminent concern of peace psychologists, namely, the prevention of nuclear war and the promotion of conflict management.With the decline of the Cold War and the perceived diminution of the nuclear threat, security concerns were no longer organized around the US-Soviet relationship. Instead, Western peace psychologists turned their attention to ethnopolitical conflicts and, more broadly, the problem of intergroup conflict worldwide. Unlike the Cold War conflict, which invited analyses at the level of elite rhetoric and actions, the complexity of ethnopolitical conflicts required geohistorical considerations that embedded violent episodes in structural and cultural conditions. Clearly, a history of structural violence, marked by oppression and exploitation, was seen as a precondition for violent episodes in many parts of the world.Besides having a concern about the roots of violent episodes, peace psychologists and liberation psychologists share the view that structural violence in itself is problematic not least because it kills people just as surely as direct episodes of violence. What differs is the means, with structural violence representing a perni...