Bill Clegg had a thriving business as a literary agent, a supportive partner, trusting colleagues, and loving friends when he walked away from his world and embarked on a two-month crack binge. He had been released from rehab nine months earlier, and his relapse would cost him his home, his money, his career, and very nearly his life. What is it that leads an exceptional young mind want to disappear? Clegg makes stunningly clear the attraction of...