Changing conditions and events in Thailand required that a third edition of this area handbook incorporating current data be published. It is a compilation of basic facts written with military and other personnel in mind. An analytical appraisal of social, economic, and political aspects is provided with emphasis on the interaction of these societal elements in an attempt to convey to the reader an understanding of people and country. A chapter describing the national defense and internal security is included. Additional features offered are a concise country data summary, glossary, index and an extensive classified bibliography. Related documents are SO 002 053 through SO 002 058, and SO 002 428. (SJM)