Different entertainment mediums have their own strengths and weaknesses, with their works being made around them. Books and movies work very differently from one another, so when adapting one to the other, changes are bound to happen, like cut characters or added plotlines.

These changes, though, can take the soul out of what made the book special, or try to cram too much into the length of your average movie. And even when they do everything right, it turns out movie audiences are not the same as book readers. These are the worst adaptations we could find of books to movies.

Dark Tower

Stephen King’s epic saga finally hit screens in 2017, but even the combined star power of Idris Elba and Matthew McConaughey couldn’t save it. The film was hit with a wave of negative reviews from critics and fans alike.

Eragon

Released in 2006, this adaptation of Christopher Paolini’s novel was meant to be the next big fantasy franchise. Instead, it angered fans with its massive changes to the story and failed to get any sequels off the ground.

The Cat in the Hat

The 2003 live-action film starring Mike Myers was a critical and box office disaster. It was so poorly received that Dr. Seuss’s widow decided to forbid any further live-action adaptations of her late husband’s work.

The Hobbit

Peter Jackson returned to Middle-earth, but his decision to turn J.R.R. Tolkien’s single, charming book into a bloated trilogy (2012-2014) was a major complaint. Many felt it was a great story stretched far too thin.

The Golden Compass

This 2007 film, based on the first book of Philip Pullman’s His Dark Materials trilogy, looked beautiful but felt hollow. It notoriously toned down the novel’s complex themes, resulting in a movie that missed the point entirely.

Gulliver’s Travels

Taking Jonathan Swift’s brilliant 1726 satire and turning it into a 2010 slapstick comedy for Jack Black was certainly a choice. Critics widely panned the film for ditching the novel’s wit in favor of cheap gags.

The Time Traveler’s Wife

Audrey Niffenegger’s 2003 novel had a complex, heartbreaking narrative. The 2009 film, however, struggled to make the confusing timeline work on screen, losing much of the story’s emotional weight in the process and leaving viewers cold.

The Bonfire of the Vanities

Tom Wolfe’s 1987 novel was a sharp critique of its era. The 1990 movie was a legendary flop, widely criticized for miscasting its leads and softening the savage satire that made the book a phenomenon in the first place.

The Scarlet Letter

The 1995 version starring Demi Moore became infamous for its departures from Nathaniel Hawthorne’s 1850 classic. It was criticized for historical inaccuracies and, most bizarrely, for adding a completely different, happy ending to the tragic story.

Persuasion

Netflix’s 2022 take on Jane Austen’s 1817 novel tried to modernize the heroine by having her break the fourth wall. Fans of the quiet, introspective original character were definitely not ‘persuaded’ by this trendy new approach.

John Carter

Based on Edgar Rice Burroughs’ influential Barsoom series, this 2012 Disney movie became one of Hollywood’s most notorious bombs. Despite a massive budget, it was a commercial failure that led to a reported huge loss for the studio.

The Girl on the Train

The 2016 film adaptation of Paula Hawkins’ 2015 runaway bestseller just couldn’t capture the magic. The movie lost the tense, psychological suspense of the novel, which relied so heavily on the main character’s internal, unreliable narration.

A Series of Unfortunate Events

The 2004 movie tried an ambitious strategy: cramming the first three books of Lemony Snicket’s popular series into a single film. The unfortunate result was a story that felt rushed and couldn’t capture the unique, dreadful charm of the books.

The School for Good and Evil

Released on Netflix in 2022, this adaptation of Soman Chainani’s 2013 fantasy novel looked the part but fell flat. Critics pointed to a weak screenplay and cringey dialogue that kept the story from ever feeling truly magical.

Artemis Fowl

Fans of Eoin Colfer’s 2001 novel waited years for this, only to get a 2020 Disney+ movie that changed everything. The film fundamentally altered the main character and plot, leaving viewers wondering if the filmmakers had even read the book.

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