This volume collects seminal psychoanalytic writings from a pivotal period in D.W. Winnicott's career. It presents key papers exploring the foundational dynamics of the parent-infant relationship, aggression, the development of the self, and the complexities of psychoanalytic treatment. The collection also features Winnicott's critical engagement with the work of Melanie Klein and his correspondence with peers, offering a comprehensive view of his theoretical evolution and clinical insights during these years.

This volume is regarded as a crucial resource for psychoanalysts and scholars interested in D.W. Winnicott's contributions. It provides access to some of his most significant theoretical papers, offering deep insights into child development and therapeutic practice. The inclusion of his reassessment of Melanie Klein and his correspondence adds further depth to the understanding of his intellectual landscape. The collection is essential for appreciating the evolution of psychoanalytic thought in the mid-20th century.