Step back in time and watch worlds collide in Early America. Learn about the Native Americans, and Columbus and the first European colonists. The past will come to life with well-researched, clearly written informational text, primary sources with accompanying questions, charts, graphs, diagrams, timelines, and maps, multiple prompts, and more. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of ABDO Publishing Publishing Company.