The work "Human-Computer Interaction. Theories, Methods, and Tools" is a comprehensive collection of research papers presented at the 16th International Conference on Human-Computer Interaction (HCII 2014). This three-volume series includes carefully selected contributions from 1,476 authors, chosen from over 4,700 submitted papers. The conference took place in June 2014 in Heraklion, Crete, Greece, and highlights the latest developments and research in the field of human-computer interaction. The topics covered range from fundamental theories to practical methods and tools relevant to the design and use of computer systems. The publication offers valuable insights into the human aspects of technology design and application, making it an important resource for researchers, practitioners, and students in this dynamic field.