Whether one has a difficult dog or a charm-school puppy, part of the fun is how much a pup wants to play. With Knack Dog Tricks in hand, anyone can teach a dog a new set of tricks. Featuring 450 step-by-step, full-color photos, the book first establishes training basics, and then shows how to enhance core training sessions with classic tricks such as "shake hands" and "roll over." And it covers advanced obedience games; agility training;...