Which revolutionary branding decision by Penguin Books in 1935 transformed the publishing industry and democratized literature?

In the publishing world, brand identity can transform not just how a company is perceived, but how literature itself reaches the public. One publishing house revolutionized book accessibility through an innovative branding decision in the 1930s that continues to influence the industry today. Test your knowledge about this landmark moment in publishing history that made quality literature more affordable and recognizable worldwide.

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Introducing standardized color-coded covers with the now-iconic penguin logo at affordable prices
Creating the first subscription-based book club with exclusive collector's editions
Pioneering the hardcover-first publishing model with matching dust jackets
Launching the first author-branded imprints with celebrity endorsements