How To Write Summary Of Literature Review Example . Exploring racism in “ to kill a mockingbird ”, “the adventures of huckleberry finn”, and “uncle tom’s cabin”. Naturally, the first step in the literature review journey is to hunt down the existing research that’s relevant to your topic. Helping You in Writing a Literature Review Immaculately from literaturereviewwritingservice.com How to write a literature review. It provides an overview of current knowledge, allowing you to identify relevant theories, methods, and gaps in the existing research. The main purpose of the review is to introduce the readers to the need for conducting the said research.