Which celebrity's book club is credited with adding an estimated 55+ million book sales to titles selected for the program, making it one of the most successful brand ambassador initiatives in publishing history?

In the publishing industry, strategic partnerships with celebrities and influencers have transformed book marketing. Publishers now leverage the reach and credibility of high-profile personalities to connect with readers and boost sales. This poll tests your knowledge about one of the most successful literary brand ambassador partnerships in recent history that significantly impacted book sales and reading culture.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Oprah Winfrey's Book Club
Reese Witherspoon's Book Club
Emma Watson's 'Our Shared Shelf'
Bill Gates' Reading List