Book excerpt: The book examines and annotates an actual case study to demonstrate to readers how to resolve some of the major issues of case study research, for example : how the case is selected, how to generalize what is learned from one case to another, and how to interpret data. Other topics covered include : differences between quantitative and qualitative approaches, data-gathering including document review, coding, sorting and pattern analysis, the roles of the researcher, triangulation and reporting a case study.