This article introduces the concept of qualitative case study research as empirical inquiry. It defines and distinguishes what a case study is, the purposes, intentions, and types of case studies. It then describes how to determine if a qualitative case study is the preferred approach for conducting research. It overviews the essential steps in designing qualitative case study research, including the role of literature and theory, approaches for collecting data and analyzing it, as well as how to write up and present case study findings. It articulates how to avoid common pitfalls when engaging in qualitative case study research and concludes with the strengths and limitations associated with this form of empirical inquiry.