The first book to cover experiences of bone marrow transplantations between siblings as children. It is based on an extended qualitative study with 17 families about their short-, medium- and long-term experiences and reflections by donors, recipients and other family members. For an in-depth discussion of the findings it brings together a group of leading scholars from the fields of bioethics, family sociology and philosophy of medicine. The book brings together top scholars from different disciplines who are confronted with surprising interview material.