Animal rights is a serious subject, but I do my best to find humor where I can, and I have some great help: there are almost two hundred cartoons included in the book, including dozens from the brilliant Bizarro strip.

It is important to meet people where they are. It reminds me of yoga, to which people may flock for the physical benefits, often to find that the spiritual benefits match or even outweigh them.

Mostly, I make sure to stay keenly aware of my own shortcomings so that I am more patient with others. It can be hard to see a friend order a cow-milk latte when almond or soy milk is available, knowing that the friend knows what dairy cows go through, how they mourn their babies, who have been carted off to veal crates so that we can steal their milk.

Some of us seem to be born with a drive to try to make the world kinder.

I try to meet people where they are.

Many people will first be attracted to veganism for their health but find themselves far more open to learning about the animal issues when they don't have to block them out three times a day in order to enjoy eating. Then once people learn, it is hard to forget and go back. Come for the body, stay for the soul.

Once people learn, it is hard to forget and go back.