I also need to find four different works that could be used to substitute the four that the creature read in the novel Franenstein which would change the creature.

Does anybody know any websites that I could use to help me because I have no idea books to pick?

Although I don't know of a Website, here are some ideas:

The Monster Among Us
Dracu la
Paradise Lost
The Lord of the Rings
Bridge of Frankenstein

Just pick something he might have thought and search books on that subject.

Sra