Book excerpt: This book contains revised selected papers presented at 4 workshops held at the 16th IFIP TC 13 International Conference on Human-Computer Interaction, INTERACT 2017, in Mumbai, India, in September 2017. The workshops are: Workshop on Dealing with Conflicting User Interface Properties in User-Centered Development Processes (IFIP WG 13.2 and 13.5), Workshop on Cross Cultural Differences in Designing for Accessibility and Universal Design Organizers (IFIP WG 13.3), Human Work Interaction Design Meets International Development (IFIP WG 13.6), and Beyond Computers: Wearables, Humans, and Things - WHAT! (IFIP WG 13.7). The 15 full papers included in this volume were carefully reviewed and selected from numerous submissions. They show advances in the field of HCI dealing with topics such as human-centered computing, user interface design, evolutionary user interface prototyping, end-user development systems, accessibility design, human work interaction design, and wearables.