This volume aims to provide a firm grounding in the principles and techniques employed in electronic and photoelectron spectroscopy.Electronic and photoelectron spectroscopy provides extraordinarily detailed information on the properties of molecules. Applications extend beyond spectroscopy into important areas such as chemical dynamics, kinetics and atmospheric chemistry. This book aims to provide the reader with a firm grounding of the basic principles and experimental techniques employed in electronic and photoelectron spectroscopy. A major and unique feature is the extensive use of Case Studies to illustrate how spectra are assigned and how information can be extracted. The book is aimed at advanced undergraduate and graduate students studying courses in spectroscopy.Electronic and photoelectron spectroscopy provides extraordinarily detailed information on the properties of molecules. Applications extend beyond spectroscopy into important areas such as chemical dynamics, kinetics and atmospheric chemistry. This book aims to provide the reader with a firm grounding of the basic principles and experimental techniques employed in electronic and photoelectron spectroscopy. A major and unique feature is the extensive use of Case Studies to illustrate how spectra are assigned and how information can be extracted. The book is aimed at advanced undergraduate and graduate students studying courses in spectroscopy.Electronic and photoelectron spectroscopy provides extraordinarily detailed information on the properties of molecules. This book presents the basic principles and experimental techniques employed in electronic and photoelectron spectroscopy. A major feature is the extensive use of case studies to illustrate how spectra are assigned and how information can be extracted. The text is intended for advanced undergraduate and graduate students studying courses in spectroscopy.Preface; List of journal abbreviations; Part I. Foundations of Electronic and Photoelectrl3;