The book by Norwegian psychologist Elisabeth Gerhardsen is dedicated to the difficult relationships between brothers and sisters in the family. The author examines the well-known problems of childhood jealousy and competition for the attention of parents, difficult conflicts against the backdrop of growing up, hatred of the younger ones, who, from the point of view of the elders, always get all the best: treats, toys, gifts, not to mention the boundless love of the mother. and dads. Citing examples from her own 25-year practice of providing psychological assistance to children, adolescents and their parents, confirming her conclusions with the results of the most objective modern research, Elizabeth Gerhardsen gives readers simple and wise advice on how to behave with children so that they do not conflict, but We grew up loving and friendly, learning to protect and support each other. In a simple and trusting manner, the author talks about how to properly create a healthy atmosphere in a family, smooth out existing conflicts and prevent the development of new ones.