Social network work consists in managing / facilitating complex interactions aimed at solving (or preventing) life problems. These interactions concern services and professional operators, as well as the common people involved in difficult situations. The program, with the cases proposed in the adopted book, shows how this function of "relational guide" can be concretely realized. After a presentation of the fundamental concepts of the network method, we will analyze an articulated case studies, showing how the relational approach can be applied both to individual problem situations and to collective projects. The aim is to prepare social workers to apply the network method in case work and also in community work.