Which famous 20th century American author's endorsement deal with Ballantine Ale featured the slogan 'Between the published lines' and helped pioneer the concept of literary celebrity endorsements?

Throughout history, famous authors have lent their names and reputations to product endorsements, creating fascinating intersections between literature and commerce. These partnerships have influenced both book sales and product marketing strategies, sometimes enhancing an author's public image while other times causing controversy. Test your knowledge about one of the most influential literary endorsement deals that transformed both the publishing industry and consumer perceptions.

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Ernest Hemingway
F. Scott Fitzgerald
John Steinbeck
William Faulkner