From a theoretical point of view, this DVD set gives you a thorough understanding of the philosophy behind Don's training System. On the practical side, the DVDs cover everything from basic and advanced commands, dealing with a variety of problem behaviors, creating boundary line safety, to even teaching your dog how to swim! With logical, easy to apply, step-by-step instruction, this DVD set will leave you with the feeling, "Wow, this guy really makes sense, and I know I can do it too!"