Proven Advertising Methods

Can you increase sales by 19 times with advertising? The difference between good and bad advertising lies in the ability to sell more. You will increase your chances of creating good advertising by reading this book.
You will be able to... assess which advertisements are worth investing in and how well they will perform. John Caples was able to measure the results of every advertisement he ever created. You will learn to accurately evaluate the effectiveness of advertising, rather than relying on the criteria of "like - dislike", "beautiful - not beautiful".
The best copywriters of our time have referred to Caples as their mentor. The great David Ogilvy said that the book "Proven Advertising Methods" taught him most of what he knows about creating advertising.