Book excerpt: Migration is a politically sensitive topic and an important aspect of contentious debates about social and cultural diversity, economic stability, terrorism, globalization, and nationalism. Global Migration: The Basics examines: history and geography of global migration the role of migrants in society impact of migrants on the economy and the political system policy challenges that need to be faced in confronting a rapidly changing world economy and society. This book challenges students of geography, political science, public policy, sociology, and economics to look beyond the rhetoric and consider the real and basic facts about migration. Through detailed examinations of the scholarly literature, demographic patterns, and public policy debates, Global Migration: The Basics exposes readers to the underlying causes and consequences of migration.