KEY BENEFIT Provides a broad survey of designing, implementing, managing, maintaining, training, and refining the user interface of interactive systems. KEY TOPICS Usability of Interactive systems; Universal Usability; Guidelines, Principles, and Theories; Design Processes; Design; Evaluation and the User Experience; Design Case Studies; Interaction Styles; Direct Manipulation and Immersive Environments; Fluid Navigation; Express Human and Command Languages; Devices; Communication and Collaboration; Design Issues; Advancing the User Experience; The Timely User Experience; Documentation and User Support (a.k.a. Help); Information Search; Data Visualization. MARKET An ideal reference for HCI professionals.