"Some people think I'm only a dog." Yes, I know - dogs can't write, or type; they can't even dictate. But they can communicate. And it's this ability to communicate that has led to a book which, if Sparky were physically capable, he would have written. It's a pleasure to do him this service in repayment for the enormous and lasting joy that he gives us. We are his family, his friends, his guardians and his mentors. But this is his story. The A to...