In the last decade, the significance of siblings in children's development and adjustment has been widely recognized, and research on brothers and sisters has increased dramatically. Bringing together exciting research on siblings by leading developmental psychologists and clinicians, this volume's contributions were originally presented at the First International Symposium on Siblings held in Leiden. This book focuses on both the significance of siblings as influences on individual development, and on the importance of the relationship in families with sick, disabled or troubled children. It...