This simple and manageable guide to user interface design is written for the professional in industry working on product development and the decision process. It is directed not only to the human factors specialists, but also to technicians, designers, marketing and product managers and students. The book presents guidelines for user interface design including a catalogue of input and output devices for electronic appliances, adding material on the design process, interaction design, advanced input, speech interfaces, evaluation, standards, the move from usability to pleasure and cultural differences. Each chapter stands alone, so the book can be used as a reference handbook. Contributions come from several human factors specialists working in industry and in academia. The text is extensively illustrated by product examples showing good user interface design.