Thanks to new reproductive technologies and new ways of forming families, the world of parenting is opening up as never before. What defines a legal family? Should there be any restrictions on buying and selling eggs and sperm, or hiring "surrogate mothers"? How many parents can a child have? While there's no going back to the traditional family, Mary Lyndon Shanley shows us that we don't have to live in moral chaos. She offers a new vision of family law that puts each child's right to be cared for at its center, while also taking into account the complex needs of every family member.