The anticolonial revolution has continued to add to the world's sovereign states a bewildering number of new ones on which general knowledge is, to put it mildly, limited. Accordingly, if there is justification for singling out a particular segment of the world for an encyclopedia of this nature, the Third World is a good choice. Here one will find essential information on geography, population, government, economy, and other matters. The editors have given a liberal answer to the question of who belongs to the Third World. All of Latin America is in. Both North and South Korea are in. Turkey is in; Yugoslavia is out.
