Playground →
Nine of Grand Central Pub's ten nearest neighbors are fellow book publishers — a near-total same-kind cluster that leaves almost no room for anything else in the top 10.
The shape is flat: scores run from 0.93 (Penguin Press) and 0.93 (Random House) down to 0.92 (Alfred A. Knopf), 0.92 (Hachette Book Group), and 0.92 (Vintage/Anchor Books), with no single neighbor pulling significantly ahead of the rest. Little, Brown and Co (0.92), Farrar, Straus & Giroux (0.92), Scribner (0.92), and HarperCollins (0.92) continue the tight band. The one departure from the publisher cluster is Publishers Weekly (0.92), a trade magazine — adjacent to the industry rather than outside it. The spread across all ten neighbors is less than 0.012, which is what a flat shape looks like in practice: no standout, no outlier, just a dense pack of structurally similar audiences.
What this reveals is that Grand Central Pub's audience is shaped almost entirely by the book-publishing ecosystem — readers whose attention is distributed across the major trade imprints rather than drawn toward any single one.
