<p>In the aftermath of World War I the largely Hungarian-speaking Jews in Slovakia faced the challenge of reorienting their political loyalties from defeated Hungary to newly established Czechoslovakia. Rebekah Klein-Pejsová examines the challenges Slovak Jews faced as government officials demographers and police investigators continuously tested their loyalty. Focusing on Jewish nationality as a category of national identity Klein-Pejsová shows how Jews recast themselves as loyal citizens of Czechoslovakia. <i>Mapping Jewish Loyalties in Interwar Slovakia</i> traces how the interwar state saw and understood minority loyalty and underscores how loyalty preceded identity in the redrawn map of east central Europe.</p>