Books a la Carte are unbound, three-hole-punch versions of the textbook. This lower cost option is easy to transport and comes with same access code or media that would be packaged with the bound book. With Astronomy Today, Eighth Edition, trusted authors Eric Chaisson and Steve McMillan communicate their excitement about astronomy, delivering current and thorough science with insightful pedagogy. The text emphasizes critical thinking and visualization, and it focuses on the process of scientific discovery, teaching students ow we know what we know.?The Eighth Edition has been thoroughly updated with the latest astronomical discoveries and theories and improved pedagogical features. This package contains: Books a la Carte for Astronomy Today, Eighth Edition Access Card for MasteringAstronomy with Pearson eText for Astronomy Today, Eighth Edition