At the risk of sounding like a broken record, try the Control Unleashed book. If you can, find a CU class. Pay close attention to the Look at That game.
Attack isn't the only part of dog parks I dislike. I think they are dirty and a pet owner doesn't know if the other dogs are being well taken care of and vetted. My vet agrees and went a step further to say that highway rest stops were one of the worst places for disease.
