Which publishing innovation did Penguin Books founder Allen Lane introduce in 1935 that revolutionized book retail and created one of the most recognizable brand identities in publishing history?

In the world of arts and literature, authors and publishing houses develop distinct brand identities that help readers recognize their work. From distinctive cover designs to signature writing styles, these brand elements become as recognizable as the stories themselves. Test your knowledge about the strategic branding decisions that have shaped some of literature's most iconic identities.

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Color-coded book covers based on genre (orange for fiction, green for crime, etc.)
First-ever audiobook recordings on vinyl records
Subscription-based monthly book delivery service
Author photographs as the central element of all book covers