My Life in Advertising - Claude C. Hopkins - Google Books

https://books.google.de/books?id=pOjoCwAAQBAJ&pg=PAPT79#v=onepage

 This book is not written as a personal history, but as a business story. I have tried to avoid trivialities and to confine myself to matters of instructive interest. The chief object behind every episode is to offer helpful suggestions to those who will…