This chapter discusses selecting a research problem and reviewing previous literature on the topic. It identifies common pitfalls to avoid when selecting a problem, such as becoming too attached to your initial idea. The chapter reviews different sources for finding a research problem, including personal experience and reviewing what questions still need answers. It also provides guidance on evaluating previous literature, such as checking if studies are current, testing feasible hypotheses and clearly reporting results. Finally, it discusses tools for conducting searches, organizing references, and writing a literature review.