Amazon.com description: Product Description: How has the U.S. Constitution stayed relevant even though the world has changed so much since it was written? Readers discover the answer as they learn fascinating facts about the document that set up the U.S. government as we know it today. The informative main text is presented alongside helpful graphic organizers and detailed sidebars. Readers also learn about the U.S. Constitution by exploring carefully selected primary sources. They even get to study images of the original document itself. This creative approach to American history allows readers to see familiar social studies curriculum topics in an engaging, new light.