how to write a literary analysis, English homework help

Explore representations of masculinity in High Fidelity by nick hornby and Wonder Boys by Michael chabon

my teacher stressed the fact that I need a great thesis statement not one like this for example :

On the dramatic side, the serious effects of oppression and lack of self-control can have long-lasting implications that is the theme that will be discussed in this essay, using an excerpt from the book for examples.[LC1]