More than half a century after the Holocaust, in countries where Jews make up just a tiny fraction of the population, products of Jewish culture (or what is perceived as Jewish culture) have become very viable components of the popular public domain. But how can there be a visible and growing Jewish presence in Europe, without the significant presence of Jews? Ruth Ellen Gruber explores this phenomenon, traveling through Germany, Poland, the Czech Republic, Austria, Italy, and elsewhere to observe firsthand the many facets of a remarkable trend. Across the continent, Jewish festivals, performances, publications, and study programs abound. Jewish museums have opened by the dozen, and synagogues and Jewish quarters are being restored, often as tourist attractions. In Europe, at the beginning of the twenty-first century, klezmer music concerts, exhibitions, and cafes with Jewish themes are drawing enthusiastic--and often overwhelmingly non-Jewish--crowds. In what ways, Gruber asks, do...