From Google's chief economist, Varian's best-selling intermediate microeconomics texts are revered as some of the best in the field. And now students can work problems online with Smartwork5, Norton's online homework system, packaged at no additional charge with the Media Update Editions. In addition to online homework, the texts now include four-colour graphs and new interactive animations.

The definitive history of Western Music. The definitive survey, combining current scholarship with a vibrant narrative. Carefully informed by feedback from dozens of scholars, it remains the book that students and teachers trust to explain what’s important, where it fits and why it matters. Peter Burkholder weaves a compelling story of people, their choices and the western musical tradition that emerged.

From chant to hip-hop, he connects past to present to create a context for tomorrow’s...