This test preparation manual presents a general overview of world history, treating it as an academic discipline and offering general study advice. Twenty-five study units review the entire scope of human history, summarizing: * The emergence of early human communities * The development of agricultural societies * The emergence of civilizations * Global exchange among peoples * The development of industry * Global demographic, economical, ecological, social, and cultural changes The chronicle of the world's civilizations is reviewed to the present era. The manual concludes with two full-length model tests with all questions answered and explained. BONUS ONLINE PRACTICE TESTS: Students who purchase this book will also get FREE access to one additional full-length online SAT World History test with all questions answered and explained. The online exam can be easily accessed by computer, tablet, and smartphone.