Bestseller Lists and Big Publishing Deals — 2026-09-18
Rachel Gillig’s *The Knave and the Moon* has dominated the genre bestseller lists, debuting at #1 on three major print charts. Meanwhile, Bertelsmann reported strong organic growth for Penguin Random House in the first half of 2026, reinforcing the publisher's market strength. The autumn publishing season is heating up with high-profile celebrity memoirs and literary heavyweights vying for attention.
Bestseller Lists and Big Publishing Deals — 2026-09-18
Top developments
Rachel Gillig’s The Knave and the Moon Dominates Genre Lists
The second installment of Rachel Gillig’s The Stonewater Kingdom series, The Knave and the Moon (Orbit), made a significant impact during the week ending September 14, 2026. The title debuted on all four print lists compiled by Locus, securing the #1 spot on three of them. This performance highlights the continued commercial viability of romantasy and fantasy series sequels in the current market.

Bertelsmann Reports Strong H1 2026 Growth Driven by Penguin Random House
Bertelsmann, the parent company of Penguin Random House, announced that it achieved organic growth of more than 5 percent in the first six months of 2026. Penguin Random House was cited as a key contributor to this growth, alongside BMG and Arvato. The group profit rose by 45 percent, indicating a robust financial position for the world’s largest trade publisher as it enters the critical fourth-quarter sales season.
Autumn 2026 Slate Defined by Celebrity Memoirs and Literary Prestige
The autumn 2026 publishing season is characterized by a strategic blend of high-profile celebrity memoirs and literary fiction. Titles from figures such as Ke Huy Quan, Gloria Steinem, and Judi Dench are scheduled for release, aiming to capture broad mainstream audiences. This slate reflects publishers' efforts to balance risk with high-reward potential in a competitive retail environment.

Local view
In Spain, El Español highlighted the top-selling books as of September 18, 2026, noting the strong performance of new fiction and non-fiction titles. The coverage emphasizes the arrival of anticipated novels from established authors like Almodóvar and Pérez-Reverte, which are driving sales in the Spanish-language market. These releases are part of the "rentrée" (back-to-school) season, traditionally a period of high activity for the Spanish book trade.
Context & numbers
Market Data and List Mechanics: Circana BookScan remains the primary source for US print retail sales data, covering point-of-sale transactions into customer hands but excluding direct publisher and author sales. This data is crucial for compiling the weekly bestseller lists that influence retail placement and marketing budgets.
Publisher Performance: Penguin Random House’s revenue rose 1.3% to €4.981 billion in 2025, setting a baseline for the current year's growth trajectory reported by Bertelsmann. The company's ability to drive organic growth in 2026 suggests successful navigation of both print and digital market dynamics.
On the radar
- Fall Fiction Releases: Major publishers are pushing their fall fiction slates, with Penguin Random House highlighting debuts and new stories from beloved authors as key drivers for Q4 sales.
- NYRB September Issue: The New York Review of Books issue dated September 24, 2026, features essays on philosophy and current events, potentially influencing literary discourse and non-fiction sales.
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