I was in a snit the whole way home after buying You Had Me at Woof by Julie Klam.  Until I opened my door to three wagging tails, six shining eyes, and twelve little paws tap dancing in pure delight at my return.  The happiness of my three dogs at the mere sight of me made me completely forget the jerk I had just dealt with at the bookstore.  Now, I realize there are people out there who do not know the warmth of a cold nose nor the pleasure of hearing a happy tail thumping on fresh linens.  They don't know that a muzzle under the chin is a much preferred way to start the day than a blaring …