This book facilitates keys to understanding the deeply critical theoretical problems that affect current pedagogy: education as a reality, the pedagogical principles of educational action, education as a process and as an interaction between agents and performers, agents of education and the process of their professionalization, the educational performer, the scenarios, their social function, the question of ends and values, the complementarity between educational action and pedagogical action, education as an object of scientific reflection, the commitment of Europe for education, and finally, distance education , a model increasingly extended by its adaptation to the needs of the knowledge society. The authors in a scientific and accessible way when selecting, expose with clarity the most significant aspects in each theme. It is a book thought for university students of the new Degrees of the Faculty of Education in which they can find an accessible and opportune reference text.