This casebook provides a range of live case studies that are suitable for use in entrepreneurship education and training. The case studies should be particularly useful in Higher Education Institutions in Ireland and in the international context. These case studies can be employed to enhance the student's practical understanding of the theory of the entrepreneurship process and new venture development. The cases are related to the enterprise issues faced by organisations and individuals from diverse industry sectors. The publication includes teaching material from the social enterprise sector to high technology start-ups, to graduate businesses. The cases are written by staff at the teaching interface, by recent graduates, and by experts and mentors involved with growing commercially-viable ventures.