Includes bibliographical references and index

Anthropic Principle - a hypothetical principle that holds that the universe is fine-tuned so that we can be here to observe it. Many physicists have worried that embracing the Anthropic Principle will spell an end to scientific progress, but in The Cosmic Landscape, Leonard Susskind shows how string theory, rather than reaching a dead end, has led to a vastly expanded concept of the universe, in which the contentious principle makes perfect sense