Seven chapters – Action Research, Bifocal Display, Data Visualization for Human Perception, Human Computer Interaction (HCI), Interaction Design, User Experience and Experience Design, and Visual Representation – are already online (all with highly qualified authorities as authors) and 49 more are to come soon.
All content is available free, for downloading, reading on line, and even excerpting (don’t forget to give proper credit and citation), all under a Creative Commons copyright agreement.
Citation: Soegaard, Mads (Ed). Encyclopedia of Human-Computer Interaction. http://www.interaction-design.org/encyclopedia/