Part 1 The user: an overview, Andy Downton; human aspects of human-computer interaction, Andy Downton and Graham Leedham. Part 2 Human-computer dialogue design: dialogue styles - basic techniques and guidelines, Andy Downton; dialogue design and delivery systems. Part 3 Interface hardware and software: input-output hardware, Graham Leedham; sppech and handwriting, Graham Leedham; windowing systems, Simon Jones and Andy Downton; object-oriented programming and interface construction, Bruce Anderson. Part 4 Usability and evaluation: evaluation techniques for human-computer systems design, Andy Downton; evaluation case study - a voice-operated database enquiry service, Gary Ashworth. Appendices: statistical tests for experimental evaluation; example problems.