The first work that has explained the revolutionary change in the relationship between Catholics and Jews in the past century. It explores the various ramifications that have taken place in the attitudes among Jews and Catholics towards each other. It's established an example that may help to introduce new ways to resolve tensions between religious faiths. It contends that the breakthrough between these two religions establishes a model that can be studied among other faiths as well. Feldman discloses the clues for greater interreligious harmony.