Contents: M. Riel, Foreword: Conceptual Order and Collaborative Tools--Creating Intellectual Identity. Preface. C.J. Bonk, K.S. King, Introduction to Electronic Collaborators. Part I:Theoretical and Technological Foundations. C.J. Bonk, K.S. King, Computer Conferencing and Collaborative Writing Tools: Starting a Dialogue About Student Dialogue. C.J. Bonk, D.J. Cunningham, Searching for Learner-Centered, Constructivist, and Sociocultural Components of Collaborative Educational Learning Tools. T.M. Duffy, B. Dueber, C.L. Hawley, Critical Thinking in a Distributed Environment: A Pedagogical Base for the Design of Conferencing Systems. Part II:Stand-Alone System Collaboration. C. Angeli, D.J. Cunningham, Bubble Dialogue: Tools for Supporting Literacy and Mind. J.R. Savery, Fostering Ownership for Learning With Computer-Supported Collaborative Writing in an Undergraduate Business Communication Course. Part III:Asynchronous Electronic Conferencing. W.A. Sugar, C.J. Bonk, Student Role Play in the World Forum: Analyses of an Arctic Adventure Learning Apprenticeship. S-M. Chong, Models of Asynchronous Computer Conferencing for Collaborative Learning in Large College Classes. R. Althauser, J.M. Matuga, On the Pedagogy of Electronic Instruction. S.E. Kirkley, J.R. Savery, M.M. Grabner-Hagen, Electronic Teaching: Extending Classroom Dialogue and Assistance Through E-mail Communication. E. Zhu, Learning and Mentoring: Electronic Discussion in a Distance Learning Course. Part IV:Multiconferencing: Asynchronous and Synchronous Classrooms. D.H. Cooney, Sharing Aspects Within Aspects: Real-Time Collaboration in the High School English Classroom. C.J. Bonk, E.J. Hansen, M.M. Garbner-Hagen, S.A. Lazar, C. Mirabelli, Time to "Connect": Synchronous and Asynchronous Case-Based Dialogue Among Preservice Teachers. I. King, The Use of Computer-Mediated Communication: Electronic Collaboration and Interactivity. Part V:Looking Back and Glancing Ahead. M.A. Siegel, S.E. Kirkley, Adventure Learning as a Vision of the Digital Learning Environment. K.S. King, Designing 21st-Century Educational Networlds: Structuring Electronic Social Spaces.