16 of the Highest Grossing Book-to-Big Screen Adaptations of All Time

From "Twlight" to "Harry Potter" to "The Dark Knight" — here are some of the most successful literary adaptations at the domestic box office

"Harry Potter and the Death Hallows Part 2" (2011)
The epic finale of the beloved "Harry Potter" series grossed more than $381 million, bringing the domestic box office grand total to $2.39 billion. The wild success of the franchise made its creator, J.K. Rowling, the first and (so far) only billionaire author. 

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