Approximately two-thirds of deaths in the United States involve a doctor's partnership with an individual, whether it be for the administration of pain relief or sedation or for the act of discontinuing or not beginning life-sustaining treatment. In A Midwife through the Dying Process, Timothy Quill, M.D., explores that partnership and the complex end-of-life issues that surround physician-assisted death. Here are the stories of nine individuals and their very different endings, common only in each person's struggle to confront issues of law and ethics and to realize a ''good'' death.