Many of the chapters employ a “question and answer” format to help the reader quickly understand the content. When describing each tool or process, George asks, and then answers questions such as who should participate in testing, what materials are needed, how long the process will take, and what the advantages and disadvantages are of using a particular method or technique. Key features include a glossary of terms discussed in the text and an extensive (but sadly, not annotated) bibliography. Of great value is the book's appendix, which contains samples of documents used in usability testing such as an informed consent form, screening and post-test questionnaires, and instructions for participants. Only one thing is missing from George's very relevant and useful book: a companion website with links to usability resources and downloadable electronic versions of the documents found in the appendix