The one book you need to make a difference in the world. Social innovation and social entrepreneurship are rising forces. As the extent of the world's systemic challenges becomes clear—from climate change to income inequality to food security to healthcare and beyond—more and more of the best and brightest will feel called to become innovators and entrepreneurs who develop and deploy solutions to the world's thorniest problems. But it won't be easy: social innovation is complicated. Solutions require the active collaboration of constituents across the worlds of government, business, and nonprofits. Social innovators and entrepreneurs need a handbook to guide them on the journey to changing the world. This is that guide. Contributions from a who's who of the smartest thinkers and most experienced practitioners in the field provide the knowledge you need to succeed as a social innovator. Topics cover the waterfront, including: Case studies from the field bring to life the challenges and opportunities social entrepreneurs and innovators face. Frontiers in Social Innovation is an essential volume for anyone who wants to use innovation and entrepreneurship to make the world a better place.