Book excerpt: Focuses on the entire range of philosophic and social changes engendered by the Enlightenment. The Encyclopedia extends the conventional geographical boundaries of the Enlightenment, covering not only France, England, Scotland, the Low Countries, Italy, English-speaking North America, the German states, and Hapsburg Austria but also Iberian, Ibero-American, Jewish, Russian, and Eastern European cultures. Designed and organized for ease of use, its special features include more than 700 signed articles; annotated bibliographies following each article to guide further study; an extensive system of cross-references; a synoptic outline of contents; a comprehensive topical index providing easy access to networks of related articles; and high quality illustrations, including photographs, line drawings, and maps.