Richard A. Wolters Game Dog: The Hunter's Retriever for Upland Birds and Waterfowl: This video shows you step by step, the simple techniques used successfully by thousands of hunters to train their retrievers. Based on the popular book by master dog trainer Richard A. Wolters, the ”Game Dog” DVD unveils revolutionary methods that will turn your seven-week old puppy into a skilled hunting dog. Rated 4 stars by Field and Stream magazine.