The two-volume Oxford Companion to Comparative Politics fills a gap in scholarship on an increasingly important field within Political Science. Comparative Politics, the discipline devoted to the politics of other countries or peoples, has been steadily gaining prominence as a field of study, allowing politics to be viewed from a wider foundation than a concentration on domestic affairs would permit. Comparativists apply various theories and concepts to analyze thesimilarities and differences between political units, using the results of their research to develop causalities and generalizations.