Amazon.com description: Product Description: Thomas Jefferson was our nations third president, but his contributions to the United States started years before. Jefferson was the principal author of the Declaration of Independencethe document that is the foundation of country. Throughout his life he continued to work for the betterment of the nation. The well-organized chapters help students identify key details while the photographs, timelines and other text features encourage students to make connections between historical events and enable students to better understand the text.