That wet stuff coming out of your dog's mouth? That's saliva, better known as drool. And it's a normal function of most dogs. In Why Do Dogs Drool?, children's author Sally J. Labadie explains all about drool and why it happens. Offering a humorous, but factual look, at a dog's drool, this picture book helps kids understand their dogs, and it also gives them information about what to watch for in case of issues. But most importantly, it...