Written for system designers and programmers who need to create user-friendly GUIs, this book gives a thorough introduction to graphic interface design. With concise language and detailed illustrations, the book takes readers step by step through the process of GUI design, showing the do's and don'ts with examples of good and bad interface design. Not only does it cover technical information, it also explains important principles of human interaction with screens, to insure the most user-friendly design possible.