An expository essay requires presentation of facts in a logical and cohesive manner While the essay writing is all about the presentation of facts, various essay topics will require unique writhing methodology and technique. Therefore, an expository essay will need the presentation of facts and data in a logical and scientific manner, to a cohesive and well-organized one. Nevertheless, the essay format of all essays should follow a certain essay outline . Hence, students are advised to look at some sample essays for understanding the technique involved in writing different type of essays. Topic selection While the essay assignment gives the students a number of topics to choose from, for writing an essay; students should carefully select the topic. As such, students should consider the space given for writing the required expository essay.