The Publishers Association has a long tradition of releasing data at the London Book Fair that reframes how the industry understands its own value. This year's 'Books on Screen' report, released on the final day of LBF 2026, may be the most commercially compelling document the PA has produced in years — and its timing, coinciding with the theatrical release of Colleen Hoover's 'Reminders of Him,' could not have been better calibrated.

The headline figure — that book adaptations generated 57% higher box office revenue than non-adaptations for the top 50 grossing titles from 2020 to 2024 — is striking enough to command attention in any boardroom. But the data that follows is arguably more important for the long-term health of the publishing industry. Forty-eight percent of original drama series on Disney+, Netflix, and Amazon Prime Video between January 2024 and June 2025 were adapted from books. Five of the top ten most-viewed first-run TV dramas in 2024 were book adaptations. The last six BAFTA Best Film winners were all book adaptations. These are not marginal statistics; they describe a structural dependency of the screen industries on the publishing ecosystem.

PA CEO Dan Conway's framing was precise: 'The relationship between publishing and the screen industries is mutually beneficial but more importantly, can bring new people to discover a love of reading.' That last clause matters more than the commercial data. The report found that in the twelve months ending October 2025, 12% of adult fiction purchases by occasional readers were driven by or chosen because of adaptations. For children, the effect is even more pronounced: the National Literacy Trust's 2025 Annual Literacy Survey found that children who did not enjoy reading were most motivated by books linked to films or TV series. In a year when children's enjoyment of reading has hit an all-time low, the adaptation pipeline is not merely a revenue stream — it is a reading recruitment mechanism.

The timing of the report's release alongside Universal's announcement that it will extend its theatrical window to five weekends (and seven from 2027) adds a further dimension. Longer theatrical runs mean more weeks of cultural conversation, more social media engagement, and more opportunities for the 'have you read the book?' moment that drives backlist sales. For publishers, the theatrical window is not an abstract cinema industry policy question; it is a direct determinant of how long a book adaptation remains a discovery engine for the source material.