Contributors. Preface.N. Cowan, J.S. Saults, and E.M. Elliott, The Search for What is Fundamental in the Development of Working Memory. J.G. Smetana, Culture, Autonomy, and Personal Jurisdiction in Adolescent-Parent Relationships. C.S. Tamis-LeMonda and M.H. Bornstein, Maternal Responsiveness and Early Language Acquisition. E. Matusov, N. Bell, and B. Rogoff, Schooling as Cultural Process: Working Together and Guidance by Children from Schools Differing in Collaborative Practices. P.C. Quinn, Beyond Prototypes: Asymmetries in Infant Categorization and What They Teach Us about the Mechanisms Guiding Early Knowledge Acquisition. C. Howes and J.W. Aikins, Peer Relations in the Transition to Adolescence.Author Index. Subject Index.Contents of Previous Volumes.