Sune Svanberg is a professor of physics and served as head of the Atomic Physics Division of  Lund University  till 2008 and as founding director of the multi-disciplinary Lund Laser Centre till 2010.  Remaining as a senior professor at his university, he also for 10 years had a part-time appointment at South China Normal University, Guangzhou. He has extensive research experience in radiofrequency, optical and laser spectroscopy, high-power laser/matter interactions, and in the use of lasers in combustion diagnostics, environmental and ecological monitoring, as well as in medical diagnostics and treatment. He is thus in good position to cover the vast scope of the book. He has co-authored well over 600 papers and trained a large number or undergraduates and graduates in basic and applied atomic and molecular spectroscopy. He served extensively on international committees and scientific advisory committees. He received many awards, is a member of six scientific academies, holds five honorary doctor degrees and has four honorary professor appointments.

Introduction.- Atomic Structure.- Molecular Structure.- Radiation and Scattering Processes.- Spectroscopy of Inner Electrons.