Look through the relevant posts on this blog since the midterm.
Seek out useful passages in the novels. Flag them.
Whatever notes you assemble should be IN YOUR OWN LANGUAGE. Doing so is a hugely effective way to prepare.
Have a conversation about the course with some of your classmates. This is actually the purpose of a university education: to arrive at a fuller understanding of the world via discourse.
If you’re still working on a paper, use it as an opportunity to rehearse arguments that might be deployed in some of your responses to prompts on the final.