Ireland's Violent Frontier: The Border and Anglo-Irish Relations During the TroublesThe important and controversial issue of cross border security cooperation against the IRA during before the Good Friday agreement is woefully underrepresented in the literature on the Troubles in Northern Ireland. On this first book on the subject, Henry Patterson brings the role of the Irish State into sharp focus at a time when dealing with the past has become a central issue in Northern Irish Politics. It establishes the crucial importance of the