List of Books to consider if I wanted to teach the class...
Man was appointed by God to have dominion over the beast, and everything a man does to an animal is either a lawful exercise, or a sacrilegious abuse, of an authority by Divine right. The tame animal is therefore, in the deepest sense, the only ‘natural’ animal—the only one we see occupying the place it was made to occupy… - C.S. Lewis
If we cut up beasts simply because they cannot prevent us and because we are backing our own side in the struggle for existence, it is only logical to cut up imbeciles, criminals, enemies, or capitalists for the same reasons. - C. S. Lewis
1. The Problem of Pain (Chapter 9) C.S. Lewis