Same-sex marriage, #BlackLivesMatter, the Dream Act, the People's Climate March, End the New Jim Crow, Occupy Wall Street-these are just a few of the initiatives that have taken flight in the past decade, the most fertile and productive era of activism and reform this country has seen since the 1960s. Now, in a visually rich and deeply inspiring book, movement leaders and activists distill their wisdom, sharing lessons of what works and what hinders transformative social change.