Compare either \” I am Legend\” by Richard Matheson to a more \”literary\” text

Doing this will involve defining at least briefly what a "literary" text is. You can, of course, come up with a definition of your own or employ the definitions of others — dictionaries, quotations, etc, etc. 

Here’s one way of writing the paper (feel free to develop alternative approaches, of course): 

Introduction/Thesis (First paragraph — about 1/2 a page): 

Define […]