books.google.at - Written by the author of the best-selling HyperText & HyperMedia, this book is an excellent guide to the methods of usability engineering. The book provides the tools needed to avoid usability surprises and improve product quality. Step-by-step information on which method to use at various stages during...http://books.google.at/books/about/Usability_Engineering.html?hl=de&id=95As2OF67f0C&q=manual&utm_source=gb-gplus-shareUsability Engineering.