The family is the oldest and most enduring human institution. We have no choice over the family we are born into, and many of us go on to create and shape a family of our own which may mimic our family of origin or differ from it in startling and substantive ways. Because of the ubiquity of the family in all societies, the lock of one is considered so significant that attempts are made in many societies through law, culture and social policy to provide some form of substitute. Because of the centrality of the family to human societies, and the role it plays in socializing each subsequent generation and transmitting genetic inheritance, it is of interest to many. The family is where human needs are first expressed, and across the world and even within societies it comes I many shapes and sizes. This very diversity is often the source of sharp philosophical, political and legal dispute. So much is expected of the family that when lives go wrong, it is often the fa...