An idea for my English Literature coursework

I had an interesting idea for my English Literature A Level Coursework. I thought I could write about Twenty Thousand Leagues under the sea by Jules Verne, and Dune by Frank Herbert. I could link them with the theme of the relationship between man and the environment. Has anyone read these books and/or completed their English Lit coursework? Would this be too much of an unconventional idea to do two sci fi novels?