''Usability Engineering'' by JakobNielsen (ISBN 0125184069) This is one of the ''standard texts'' on Usability issues. A lot of user interface books tend to be very loose on testing and processes. This book provides a good balance against books like AboutFace and TogOnInterface. -- ToddCoram See also Jakob's website at http://www.useit.com/ -- BrianEwins "Alertbox: Current Issues in Web Usability," a bi-weekly column by JakobNielsen: http://www.useit.com/alertbox/ ---- CategoryBook