This is an interesting essay in that it's a very serious subject, and they deal with it seriously, but the overall SoYouWanna website uses a lot of humor, and that sneaks through too, a bit. interesting tone, in other words.
This is a pdf version of a flow-chart based infographic that is a process. It is NOT a normal essay, since it is more visual communication than written prose. Here is the original site for this infographic (the pdf version prints better for class purposes).