An introduction essay serves to introduce a topic to the reader and provide them with background information. It should be interesting and engaging so that the reader is compelled to read further.

1. Start with an attention-grabbing hook. This could be a quote, a statistic, a rhetorical question, or an anecdote.

2. Provide some context for the topic. Explain why this topic is important and why the reader should care about it.

3. Give a brief overview of the essay. Summarize the main points that you will be making in the essay.

4. End the introduction with a thesis statement. This is a sentence that expresses the main idea of the essay.

By following these steps, you can write an effective introduction essay that will engage the reader and set the tone for the rest of the essay.