This volume contains the courses on General Relativity delivered at the 46th Scottish Universities Summer School in Physics, held at Aberdeen in July 1995. Each course was given by an acknowledged expert in their field. The courses were aimed at postgraduates and postdoctoral students and provide an introduction to many areas of the subject, both mathematical and physical. Chapters on mathematical relativity cover many topics including initial value problems, a different approach to the partial differential equations of physics and current work on partial solutions. Cosmology is represented by chapters on relativistic cosmology and on black holes. Other chapters deal with gravitational waves, experimental relativity, quantum gravity and aspects of computing in relativity.