Claude Hopkins is known as the Inventor of Modern Advertising and the greatest copywriter of all time.Though he wrote his ads in the early 1900s, the giants of advertising today still study the work of this brilliant pioneer.Read his ads over and over again.Learn from his ads all the principles of effective advertising that he discovered.Apply the Hopkins precepts to your own writing of ads and sales letters . . . And your profits will immediately soar.If you want to write ads and letters that swamp you with orders, you must study the classic ads of Claude Hopkins . . . who still ranks as the greatest ad writer of all time.