These proceedings report the lectures and seminars of a course entitled "Luminescence of Inorganic Solids," held at Erice, Italy, June 15-30, 1977. This course '7aS an activity of the International School of Atomic and No1ecu1ar Spectroscopy of the "Ettore Hajorana" Centre for Scientific Culture. The course opened with an overvievl of the present status of luminescence research and with an assessment of its future trends. The following lectures introduced the basic formalism behind the interaction of matter with the radiation field and the lattice phonons. The luminescence properties of...