This document discusses the challenges of writing an expository essay using the topic "An Example of Expository Essay" as an example. It notes that expository essays require deep understanding of the genre as well as strong research, organizational, and communication skills. Specifically, they involve presenting information clearly and objectively while maintaining a formal tone, crafting an engaging thesis, logically organizing ideas, and ensuring smooth transitions between points. The document emphasizes that writing a successful expository essay is not just about conveying information but doing so in a way that engages readers and persuasively presents the chosen topic.