There are good reasons why David Ogilvy has been called the Father of Advertising, though telling a housewife she can roast a goose in the middle of the night with her new cookstove if she so desires probably isn't one of those reasons. This is just one of the many pearls of wisdom found in his sales manual "The Theory and Practice of Selling the AGA Cooker" which Fortune magazine called "the best sales manual ever written."