For the reader interested in the work in hand, it is important to point out that this is an important book on governance and social participation. Why? Because in this singular study, it will be possible to appreciate, with meridian clarity, the way in which knowledge from different subjects, located in the heart of the social sciences, interact; all of them determined to give due account of their peculiarities and their linkages. In this case, a multidisciplinary approach was adopted, since this book is intended to be useful for people trained in different areas: social work, economics, psychology, sociology, among others.