Told by one of our greatest chroniclers of technology and society, the definitive biography of iconic serial visionary Stewart Brand, from the Merry Pranksters and the generation-defining Whole Earth Catalog to the marriage of environmental consciousness and hacker capitalism and the rise of a new planetary culture—the story behind so many other stories Stewart Brand has long been famous if you know who he is, but for many people outside the counterculture, early computing, or the environmental movement, he is perhaps best known for his famous mantra "Stay Hungry. Stay Foolish." Steve Jobs's endorsement of these words as his code to live by is fitting; Brand has played many roles, but one of the most important is as a model for how to live. The contradictions are striking: A blond-haired WASP with a modest family inheritance, Brand went to Exeter and Stanford and was an army veteran, but in California in the 1960s he became...