<P>With close to 100 million speakers, Tai-Kadai constitutes one of the world''s major language families. <EM>The Tai-Kadai Languages</EM> provides a unique, comprehensive, single-volume tome covering much needed grammatical descriptions in the area. </P><P>It presents an important overview of Thai that includes extensive cross-referencing to other sections of the volume and sign-posting to sources in the bibliography. The volume also includes much new material on Lao and other Tai-Kadai languages, several of which are described here for the first time.</P><P>Much-needed and highly useful, <EM>The Tai-Kadai Languages</EM> is a key work for professionals and students in linguistics, as well as anthropologists and area studies specialists.</P><P></P><P>ANTHONY V. N. DILLER is Foundation Director of the National Thai Studies Centre, at the Australian National University. </P><P></P><P>JEROLD A. EDMONDSON is Professor of Linguistics at the University of Texas Arlington and a member of the