This four volume set provides the complete proceedings of the 10th International Conference on Human-Computer Interaction held June, 2003 in Crete, Greece. A total of 2,986 individuals from industry, academia, research institutes, and governmental agencies from 59 countries submitted their work for presentation at the conference. The papers address the latest research and development efforts, as well as highlight the human aspects of design and use of computing systems. Those accepted for presentation thoroughly cover the entire field of human-computer interaction, including the cognitive, social, ergonomic, and health aspects of work with computers. The papers also address major advances in knowledge and effective use of computers in a variety of diversified application areas, including offices, financial institutions, manufacturing, electronic publishing, construction, health care, and disabled and elderly people.