The book "1990 CIA World Directory" is an official publication that contains extensive information about the countries of the world in 1990. This book presents data on the political structure, economy, population, geography and other aspects of the life of the countries, which allows readers to get a complete picture of the geopolitical situation in the world in the early 90s. This guide is a reliable source of information for researching different countries and regions of the world in the last century. The authors of the publication are employees of the US Central Intelligence Agency.