Lewis Fry Richardson was one of the first to develop the systematic study of the causes of war; yet his great war data archive, Statistics of Deadly Quarrels, posthumously published, has yet to be fully systematized and assimilated by war-causation scholars. David Wilkinson has reanalyzed Richardson's data and drawn together the results of kindred quantitative work on the causes of war, from other as well as from Richardson. He has translated this classic of international relations literature into contemporary idiom, fully and accurately presenting the substance of Richardson's idea and at the same time bringing it up to date with judicious comment, updating the references to the critical and successor literature, and dealing in some detail with Richardson himself. Professor Wilkinson lists among the findings: 1. the death toll of war is largely the product of a very few immense wars; 2. most wars do not escalate out of control, they are vey likely to be small, brief, and exclusive;
