If you're looking to score a perfect five on your AP US Government exam, look no further. Whether it's reviewing the Constitution or learning about civil rights, AudioLearn is your complete study guide to The US Government. Best of all, you get a complete free AP US Government test!

From personality quizzes and the Rorschach blot test to B. F. Skinner and the stages of development, this primer for human behavior is packed with hundreds of entertaining psychology basics and quizzes you can't get anywhere else. So whether you're looking to unravel the intricacies of the mind or just want to find out what makes your friends tick, Psych 101 has all the answers - even the ones you didn't know you were looking for.

Developed by experienced teachers and professionally narrated for easy listening, this course is a valuable tool when preparing for your Advanced Placement Biology or AP Biology test. The audio is focused and high-yield, covering the most important topics you need to know to succeed in your AP Biology class. The material is accurate, up-to-date, and broken down into bite-sized sections. There are key takeaways following each section to drive home key points and quizzes to review commonly tested questions.

Explore the power of the underdog in Malcolm Gladwell's dazzling examination of success, motivation, and the role of adversity in shaping our lives, from the best-selling author of The Bomber Mafia. Three thousand years ago on a battlefield in ancient Palestine, a shepherd boy felled a mighty warrior with nothing more than a stone and a sling, and ever since then the names of David and Goliath have stood for battles between underdogs and giants. David's victory was improbable and miraculous. He shouldn't have won. Or should he have?

In the rigid theocracy of Salem, Massachusetts, rumors that women are practicing witchcraft galvanize the town. In a searing portrait of a community engulfed by panic—with ruthless prosecutors, and neighbors eager to testify against neighbor—The Crucible famously mirrors the anti-Communist hysteria that held the United States in its grip in the 1950’s.