Instruct: Classify a given review as either positive or negative.
Query: Excellent, practical how-to book

"Usability Engineering" explains the principles of softwareusability, and clearly outlines techiniques for assesingthe usablility of your product.His techniques give a lot of bang for thebuck. There is no excuse not to use them.He makes convincing arguments for the value ofincorporating usability into the entire software designand development process. This book is an excellent companionto Cooper's User Interface bible,"About Face".