Manzini, E. (2015). Design, when everybody designs: An introduction to design for social innovation.
Participatory design: the book describes new social innovations that can be observed in a changing world where people design projects that generate different or similar solutions causing social transformations. These new social innovations are characterized by expansive open co-design process in which new solutions are suggested and new meanings are created. The author also explains the differences in design by experts and by other individuals and how these designs interact. He also talks about how design experts can support meaningful social changes focusing on emerging forms of collaboration. The book draws from various projects across the globe and shows how design can trigger social innovation through collaborative action by experts and non-expert designers.