Presenting theory while using Mathematica in a complementary way, Modern Differential Geometry of Curves and Surfaces with Mathematica, the third edition of Alfred Gray’s famous textbook, covers how to define and compute standard geometric functions using Mathematica for constructing new curves and surfaces from existing ones. Since Gray’s death, authors Abbena and Salamon have stepped in to bring the book up to date. While maintaining Gray's intuitive ap...

Journalism in Crisis addresses the concerns of scholars, activists, and journalists committed to Canadian journalism as a democratic institution and as a set of democratic practices. The authors look within Canada and abroad for solutions for balancing the Canadian media ecology.Public policies have been central to the creation and shaping of Canada’s media system and, rather than wait for new technologies or economic models, the contributors offer concrete recommendations...