This book includes contributions from seven authors with diverse backgrounds, whose specializations include the area of social studies education, software development, computer science, and visual design. The chapters are: (1) "Online Learning Communities: Implications for the Social Studies" (Lynn A. Fontana); (2) "Bringing Preservice Teachers Online" (Charles S. White); (3) "Multimedia in a Visual Society" (Peter H. Martorella); (4) "Technology and the Darkside: Hate Online" (Milton Kleg); (5) "Information Technology and Civic Education" (Richard A. Diem); and (6) "Knowledge-Based Learning Environments: A Vision for the Twenty-First Century" (Patrick J. FitzGerald; James C. Lester). An index is included. (CB)