This is a bold and timely analysis of the conflict in Northern Ireland, offering a comprehensive, up-to-date and constructively critical evaluation of the massive outpouring of literature on the subject. John McGarry and Brendan O'Leary examine the most common explanations of the conflict - nationalist, unionist, Marxist, religious, cultural and economic - highlighting their shortcomings and placing Northern Ireland within a comparative context. Synthesizing their conclusions, the authors advance a realistic but imaginative prognosis for conflict-resolution in this most troubled region.