Famous for its stark landscape and punishing mountain passes, Afghanistan has been a portal for traders and invaders bet... MoreAfghanistan
The United States is the world's third-largest country in terms of both size and population, which is one of the world's... MoreThe United States
As the world's population approaches seven billion people, some fear that Earth's citizens face a catastrophic food cris... MoreFeeding a Hungry World
How many is too many? In regard to the human population, people have been asking this question for centuries. The curren... MoreThe Human Population
Portugal offers complete coverage of this fascinating country, including sections on history, geography, wildlife, infra... MorePortugal
Haiti offers complete coverage of this fascinating country, including sections on history, geography, wildlife, infrastr... MoreHaiti
Bangladesh, located in south-central Asia, is the most densely populated nation in the world. Known as Bengal prior to t... MoreBangladesh
Show More Books
