Who would have thought that Joycelyn Elders, born into a family that chopped cotton and trapped raccoons to survive, would grow up to be Surgeon General of the United States? Or that Clarence Thomas, brought up by his barely literate grandfather, would someday be a Justice of the Supreme Court? Certainly not statisticians, who tell us that impoverished backgrounds are fairly accurate predictors of impoverished futures. This book seeks out the stories behind the exceptions: those who, against all odds, have made the American myth of rags-to-riches a reality.

For more than ten years...