Used by over a million science students, the Mastering platform is the most effective and widely used online tutorial, homework, and assessment system for the sciences. Pearson eText gives students access to the text whenever and wherever they can access the Internet. The eText pages look exactly like the printed text, and include powerful interactive and customization functions. This is the product access code card for MasteringAstronomy with Pearson eText and does not include the actual bound book. For one-semester Introduction to Astronomy courses. With Astronomy: A Beginner's Guide, Seventh Edition,the briefer version of their two seminal textbooks, trusted authors Eric Chaisson and Steve McMillan continue to emphasize three major themes: the process of science, the size and scale of the universe, and the evolution of the cosmos. In the Seventh Edition, Chaisson and McMillan ignite your interest with increased coverage of the most exciting, current discoveries in astronomy and create a bridge to scientific understanding with student-friendly art and enhanced pedagogy.