Many of today’s biggest entertainment releases are not coming from Hollywood writers’ rooms, but from bookstore shelves. Each time, more and more successful films and television series are based on books that had already captured the attention of thousands of readers before reaching the screen. Even though this phenomenon is not entirely new, franchises such as Harry Potter, The Lord of the Rings, Jurassic Park, and The Hunger Games have demonstrated the commercial power of literary adaptations for decades.
A new age
Throughout the recent age, particularly in the streaming era, adaptations have gained a new momentum. Netflix, Prime Video, and HBO have transformed novels, graphic novels, and book series into some of their most valuable properties. Productions such as Heartstopper, The Summer I Turned Pretty, Daisy Jones & The Six, and HBO’s upcoming Harry Potter series demonstrate how streaming platforms have come to view literature not only as a source of inspiration, but also as a business strategy. The online impact of The Summer I Turned Pretty became one of the clearest examples of how influential literary adaptations have become in the streaming landscape. In an increasingly competitive battle for audience attention, adapting stories with established fan bases reduces risk and increases the likelihood of success.
Part of the rise of literary adaptations can be explained by the security they offer studios and streaming platforms. Unlike an original production, a book adaptation enters the market with an existing and highly engaged community of readers. There is already an audience interested in the story, before the first trailer is even released. In addition, producers benefit from characters, narratives, and conflicts that have already been developed, reducing some of the creative and commercial uncertainty surrounding a project.
This trend has become even more evident with the growth of online reading communities. Platforms such as TikTok and Instagram have transformed readers into powerful promoters of literary works. Books that go viral on BookTok frequently attract the attention of studios, creating a direct connection between the publishing and entertainment industries.
the perfect recipe to success
The impact of The Summer I Turned Pretty extends far beyond viewership numbers. The series helped establish a production model that combines literature, social media, and streaming. It generated a significant amount of online engagement, from debates over love interests to fan theories and reactions to each episode. These conversations kept the series relevant for months, demonstrating the potential of literary communities when their favorite stories are brought to the screen.
That success may soon be repeated with Off Campus, Elle Kennedy’s bestselling romance series. News of the adaptation generated immediate excitement across social media, even before casting announcements or trailers were released. The reaction highlights how some stories enter the audiovisual market with an audience that is already emotionally invested. For studios, this means not only potential viewers but also a community willing to promote the production organically.
Another example is My Fault, the adaptation of Mercedes Ron’s novel for Prime Video. Despite receiving mixed reactions from critics and audiences, the film became one of the platform’s biggest international successes. Its performance led to franchise expansion and the development of new versions of the story, including a British adaptation. By identifying strong audience interest in a particular narrative, streaming platforms often choose to expand that universe and invest in new interpretations of the same work.
Disappointing fans is pretty easy…
However, commercial success does not eliminate the challenges of adaptation. Unlike original productions, literary works arrive on screen accompanied by preexisting expectations. During the reading experience, every reader creates their own mental version of the characters, settings, and events. When a book is adapted, that personal imagination must be translated into a concrete visual representation. Casting decisions, costume design, and changes to the narrative can all create tension between the vision of producers and the expectations of readers.
Discussions surrounding casting choices illustrate this challenge particularly well. Long before an adaptation is released, fans often create fan arts and participate in conversations about how they imagine specific characters. While this engagement helps to keep a story relevant, it can also generate backlash when creative decisions fail to align with audience expectations. One example is Bridgerton, whose commitment to a diverse cast sparked intense online debates and exposed some cast members to racist attacks. In many cases, one of the greatest challenges of adaptation is satisfying new audiences while remaining faithful to the spirit of the original work.
The Divergent trilogy demonstrates that not every adaptation successfully finds this balance. Narrative changes and creative decisions that disappointed portions of the readership contributed to a less favorable reception for the franchise over time. The case highlights an important reality: having a dedicated fan community does not automatically guarantee success. Studios must understand what made a story meaningful to readers in the first place.
Prime Video’s recent trajectory reflects this evolution. Adapting a book is no longer enough. Understanding the community surrounding that book has become equally important. The contrast between the reception of productions such as After and The Summer I Turned Pretty demonstrates how emotional fidelity to the reader’s experience can be just as important as fidelity to the plot itself. As a result, analysis of the audience engagement has become a fundamental part of the adaptation process.
from words on paper, to scenes on a screen
The rise of literary adaptations reflects an important shift in the relationship between literature and entertainment. Books are no longer simply a source of inspiration for screenwriters, they have become one of the audiovisual industry’s most valuable creative and commercial resources. While adaptations offer financial security for studios, they also strengthen the connection between readers and viewers, bringing together two worlds that once seemed distinct. The challenge remains transforming individual imagination into a shared experience that resonates with diverse audiences. Yet, as long as reading communities continue to shape conversations online and cultivate passionate fandoms, many of tomorrow’s biggest releases will likely begin on the pages of a book.
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The article above was edited and translated by Ana Beatriz Carvalho Sapata.
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