This volume provides updates and informs the reader about the development of the current empirical research on the flow experience. It opens up some new research questions at the frontiers of the field. The book offers an overview on the latest findings in flow research in several fields such as social psychology, neuropsychology, performing arts and sport, education, work and everyday experiences. It integrates the latest knowledge on experimental studies of optimal experience with the theoretical foundation of psychological flow that was laid down in the last decades.