Learn about population in countries around the world, and how changes in the number, age, and gender of people living in a place affect life there. Explore different settlements, from ancient More →

Why do people migrate to and settle in the places they do? Fascinating examples in history help explain how the earliest human settlements were situated close to fertile ground and rivers for More →

The island of Puerto Rico or "rich port" has long been known as a center of trade and commerce in the Caribbean. It is also a small island with great physical and social diversity. Puerto… More →

From being a stopping point for pirates and privateers, to a Spanish colony and later an American colony, the island of Puerto Rico has been a strategic piece of real estate for hundreds of… More →

This intriguing book explores the reasons why people migrate: pushes - involuntary migrations - and pulls - voluntary migrations. The different causes include: population density or lack of… More →

Learn about rivers and coasts and how water shapes the landscapes in different ways. Follow rivers from their source to the sea, and explore coasts around the world. Find out how erosion… More →

Rivers and lakes are part of the earth's never-ending water cycle. From the Nile, to the Great Lakes, Rivers and Lakes describes: • how rivers and lakes are formed • flooding around the… More →

This newly revised edition brings Russia's rich and colorful history to life. A center of culture through the ages, Russia is experiencing a rebirth in religion, television, film, and music.… More →

This new revised edition of Russia: the Land takes a fresh look at this country's transformation over the past century. Russia's recent economic growth has had an impact on the environment… More →

After years of unemployment and crushing inflation, Russians are looking to the future with hope of a new prosperity. This colorful revised edition takes a look at the new middle class and… More →