The Yearbook in Entrepreneurship, Economy and Social Innovation is an open access collection promoted and coordinated by the Center for Studies and Research in Entrepreneurship and Social Innovation (CREIS), an interdisciplinary research center for the study of the phenomenon of entrepreneurship and social innovation, its causal factors, and the impact that social projects have on the economy in general, and people in particular. The collection sets itself the objective of dealing with the different topics of social interest from a double perspective. In the first place, from a close point of view, connected to the territory, and with the will to influence the definition of public policies. Second, providing the broad and rigorous view with which experts, academic and non-academic, can analyze these problems, help to understand their roots, and advise on how they must be managed and solved in the best possible way.