Dangerous Visions and New Worlds: Radical Science Fiction, 1950-1985Much has been written about the "long Sixties," the era of the late 1950s through the early 1970s. It was a period of major social change, most graphically illustrated by the emergence of liberatory and resistance movements focused on inequalities of class, race, gender, sexuality, and beyond, whose challenge represented a major shock to the political and social status quo. With its focus on speculation, alternate worlds and the future, science