Contents: T.P. Moran, J.M. Carroll, Overview of Design Rationale. Part I:Different Perspectives of Design Rationale.J. Lee, K-Y. Lai, What's in Design Rationale? A. MacLean, R.M. Young, V.M.E. Bellotti, T.P. Moran, Questions, Options, and Criteria: Elements of Design Space Analysis. J.M. Carroll, M.B. Rosson, Deliberated Evolution: Stalking the View Matcher in Design Space. C. Lewis, J. Rieman, B. Bell, Problem-Centered Design for Expressiveness and Facility in a Graphical Programming System. Part II:Empirical Studies of Design Rationale.S.B. Shum, Analyzing the Usability of a Design Rationale Notation. G.M. Olson, J.S. Olson, M. Storrøsten, M. Carter, J. Herbsleb, H. Rueter, The Structure of Activity During Design Meetings. M.K. Singley, J.M. Carroll, Synthesis by Analysis: Five Modes of Reasoning That Guide Design. Part III:Design Rationale Tools in Design Practice.G. Fischer, A.C. Lemke, R. McCall, A.I. Morch, Making Argumentation Serve Design. C. Potts, Supporting Software Design: Integrating Design Methods and Design Rationale. T.R. Gruber, D.M. Russell, Generative Design Rationale: Beyond the Record and Replay Paradigm. Part IV:Using Design Rationale for Teaching.G. Casaday, Rationale in Practice: Templates for Capturing and Applying Design Experience. T. Carey, D. McKerlie, J. Wilson, HCI Design Rationale as a Learning Resource. Part V:Design Rationale in Organizational Context.E.J. Conklin, K-C. Burgess-Yakemovic, A Process-Oriented Approach to Design Rationale. W. Sharrock, R. Anderson, Organizational Innovation and the Articulation of the Design Space. J. Grudin, Evaluating Opportunities for Design Capture.