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Eight of Hachette Book Group's ten nearest neighbors are fellow book publishers, with the remaining two — a trade magazine and a books-focused news outlet — orbiting the same professional-reader world. Similarity here measures how closely two entities' audiences resemble each other in composition; scores across the top 10 run from 0.9571 to 0.9411, a band so narrow it signals a tightly defined audience type rather than any single dominant pull.
Alfred A. Knopf leads at 0.9571, followed closely by Penguin Press (0.9553), Penguin Random House (0.9535), and Scribner (0.9514). Publishers Weekly (0.9508) is the first non-publisher in the set — a trade magazine whose readership skews toward the same industry-adjacent book audience. Random House (0.9482), Guardian Books (0.9463), Farrar, Straus & Giroux (0.9456), St. Martin's Press (0.9437), and Riverhead Books (0.9411) round out the set. Guardian Books is the only news publisher in the top 10, and like Publishers Weekly, it is editorially focused on books — keeping the cluster coherent even where the subcategory differs.
The flat shape and near-uniform scores describe an audience that is essentially the same across the major trade publishing houses: Hachette's followers look like the followers of its peers, with no single imprint pulling dramatically closer than the others.
