What is the range of diversity in linguistic types, what are the geographical distributions for the attested types, and what explanations, based on shared history or universals, can account for these distributions? This collection of articles by prominent scholars in typology seeks to address these issues from a wide range of theoretical perspectives, utilizing cutting-edge typological methodology. The phenomena considered range from the phonological to the morphosyntactic, the areal coverage ranges in scale from micro-areal to worldwide, and the types of historical contingency range from...