It's always exciting when a great book turns into a movie, and that's exactly what' happening with The Girl on the Train. Emily Blunt stars in this upcoming film, bringing the suspense and drama of the book to life. Check out the newest trailer for the movie. 

Here are three facts about how the novel came to be the popular story we know. 

1. The Book

Author, Paula Hawkins sent a half-finished version to publishers because she really needed the money. 

2. The Location

The movie was originally set to be filmed in the UK. 

3. Emily's Role

Emily told Deadline that her role is "the most challenging thing I've ever done."

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