"This is the stuff of fairy tales," said the Archbishop of Canterbury on July 23, 1981, after the 20-year-old Lady Diana Spencer arrived in a glass coach for her wedding to Prince Charles. But everyone knows how that fairy tale ended.

Drawing upon intensive research and interviews, acclaimed biographer Anne Edwards, well-known for her revelatory and incisive books on members of Britain's royal family, here uncovers new details of Diana's life and her search for love; of her family background; and of a betrayal, historic in its outcome. What the public did not know at the time of her...