A project of the Center for the Study of Learning at the University of Pittsburgh, this yearbook combines the two major trends/concerns impacting the future of educational development for the next decade: knowledge and thinking. The yearbook comprises the following chapters: (1) "Toward the Thinking Curriculum: An Overview" (Lauren B. Resnick and Leopold E. Klopfer); (2) "Instruction for Self-Regulated Reading" (Annemarie Sullivan Palincsar and Ann L. Brown); (3) "Improving Practice through Understanding Reading" (Isabel L. Beck); (4) "Teaching Mathematics Concepts" (Rochelle G. Kaplan and others); (5) "Teaching Mathematical Thinking and Problem Solving" (Alan H. Schoenfeld); (6) "Research on Writing: Building a Cognitive and Social Understanding of Composing" (Glynda Ann Hull); (7) "Teaching Science for Understanding" (James A. Minstrell); (8) "Research on Teaching Scientific Thinking: Implications for Computer-Based Instruction" (Jill H. Larkin and Ruth W. Chabay); and (9) "A Perspective on Cognitive Research and Its Implications for Instruction" (John D. Bransford and Nancy J. Vye). (MS)