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Scientific Advertising by Claude Hopkins is truly a timeless classic on the art of copywriting.
Many of the modern-day “gurus” have used this book as the foundation of their 0 to ,000 marketing and advertising courses. It is reported that the information contained in this book alone has been responsible for literally millions of dollars in sales and profits.

Many readers do not grasp the concepts…
While others who read it are affected so deeply by it that it changes their ent

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