Part 1 Introduction: approaches to the successful design and implementation of VR applications, S. Bryson. Part 2 Science and engineering: virtual reality for the physician of the 21st century, R. Satava; populated information terrains - first steps, S. Benford et al; hand-guided scene modelling, H. Sun; modelling in immersive environments - a case study for the science of VR, M. Slater et al; constraint based 3D manipulation techniques for virtual environments, T.R. Fernando et al; implementing televirtuality, G.C. Fox et al; time lag reduction in a medical virtual workbench, W. Lawton et al; tools and metaphors for user interaction in virtual environments, M. Rygoi et al; some human factors issues in immersive virtual reality - fact and speculation, E.C. Regan. Part 3 Simulation and training: galeria virtual - a platform for non-limitation in contemporary art, N. and R. Pares; MuSE - using virtual reality in system development and validation, H. Wirth et al; event-driven visual effects in flight simulation virtual environments, C. Longhurst; learning in virtual environments (LIVE), D.J. Brown et al; simulating humans in virtual reality, J.P. Granien et al; applications of virtual humans in virtual reality, D. Thalmann. Part 4 Visualization: systems structure visualization, S. Whalley et al; virtual reality in computational neuroscience, J. Leigh et al; a unified approach to addressing limitations of desktop data visualization and virtual environments, R.R. Dickinson et al.