Every country in the world has a national flag. National flags reveal stories about the origins and events that define a nation and its people. This comprehensive reference book begins with an introduction that describes the many practical uses for national flags and explains why national flags are important to a country. It then includes 192 entries of all recognized independent countries of the world in alphabetical order, including the 189 members of the United Nations. Each entry displays the nation's flag, alongside the engaging story behind each flag's history and symbolism. Entries also include a grid depicting how the flag is used. Back matter includes a world map and a list of the nations grouped by continent for further reference.