An essay is composed of several paragraphs, as few as two or as many as necessary, all in support of an idea or a series of related ideas. The essay gives the writer an opportunity to explore a topic fully and to express ideas and feelings completely.
First you need to identify general topic and begin library work. Brainstorm topics in the readings that spark your interest, topics that speak to you.
There are many techniques to writing a good essay. An essay is very important and is usually somewhat short, so it is important to be very clear and prompt.