Which major publishing house features a dolphin wrapped around an anchor in its historic logo?

Publishing houses have some of the most recognizable logos in the arts and literature world, often reflecting their heritage and editorial focus. These visual identities have evolved over time, becoming powerful symbols of literary tradition and innovation. Test your knowledge of these iconic publishing brand marks that grace the spines of millions of books worldwide.

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Penguin Random House
HarperCollins
Doubleday
Aldine Press (now part of Penguin Classics)