The document provides guidance on writing a literature review. It discusses that a literature review synthesizes previous studies on a topic and introduces the general area of study. It emphasizes that a literature review requires thorough research over an extended period of time. The document outlines the preparation process, including determining if the review will be quantitative or qualitative and selecting and narrowing the topic. It also provides tips for researching strategies, evaluating sources, organizing the review with an outline, drafting the review, and introducing and concluding the review.