If you are interested in exploring the ethics behind vegetarianism and the health benefits of a vegetarian diet, I encourage you to read the following books. This page will be updated as I discover more resources and read new things.
Eating Animals, by Jonathan Safran Foer
Farm Sanctuary: Changing Hearts and Minds About Animals and Food, by Gene Baur
Forks Over Knives (also check out the DVD), by T. Collin Campbell, PhD and Dr. Caldwell Esselstyn
Why We Love Dogs, Eat Pigs and Wear Cows: An Introduction to Carnism, by Melanie Joy, PhD