If have already have a good idea what usability is, this is an excellent follow up book. This is a good usability book for Web site developers. It is packed with ideas that directly relate to Web site construction and testing. This is a book almost anyone can use. It is also helpful for people that are struggling to see the usefulness of usability .
Task analysis can be the most critical part of the usability process.
You need to understand your users and their jobs and this is the book that provides the tools. The advice the authors provide is straightforward, easy to use, and it is practical. Any user interface or Web site can benefit from the methods spelled out in this book. This is a very interesting and important book for people who dislike technology, particularly computers. This book tells you why computers suck and it tells you why they have not delivered what they have promised.