This brief introduction provides an overview of the study guide for the AP U.S. History course on the Gilder Lehrman site. Videos in each section provide detailed tips on how to study for the exam. [2:15]

Meet Kim - one of the creators of Khan Academy's AP US History lessons. Kim earned her Ph.D. in history at the University of North Carolina at Chapel Hill and taught US history at the college level for eight years. She has graded the AP...