There's a group called "Read Atheist". Some of the format is to read a chapter a week and add each chapter as a discussion for the week.
I know of a great book that is relevant to TA and dogs. "Dog Who Couldn't Stop Loving: How Dogs Have Captured Our Hearts for Thousands of Years" by Jeffrey Moussaieff Masson.
It talks about the co-evolution between humans and dogs and some recent supporting evidence about the evolution of the dog from the wolf. Other authors touched on this first, but this guy writes about it well.
I promise you will look at your dog differently.
If anyone is interested and gets the book, let me know and I'll set up that discussion on "Read Atheist".