For almost two decades, Sidney Coleman has been giving review lectures on frontier topics in theoretical high-energy physics at the International School of Subnuclear Physics held each year at Erice, Sicily. This volume is a collection of some of the best of these lectures. To this day they have few[...]

'Sidney Coleman was the master teacher of quantum field theory. All of us who knew him became his students and disciples. SidneyaEURO (TM)s legendary course remains fresh and bracing, because he chose his topics with a sure feel for the essential, and treated them with elegant economy.'Frank Wilczek[...]