Cities are where solutions to the twenty-first century's key challenges--inequality, grassroots activism, climate change, innovation--will be tested. And as cities adapt to new developments in technology, infrastructure, public space, transportation, and housing, so too must urban practices and our understanding of how to effect positive change evolve. In Citymakers, Cassim Shepard offers a vivid survey of how urbanism today is no longer the domain of just planners, politicians, and power brokers removed from the effects of their decisions, but an array of citizens working at the...