Before the film hits theaters this December, however, the pair have one piece of business to address.
This change has already promptedpushback from some readersamid discussions about female representation.
The books describe Hester as a portrait that had been furiously crossed out.

Credit: Universal Pictures
Tom falls in love with her… and film is a visual medium.
But when you put it on film, you are literalizing it.
The filmmaker emphasized that they dont shy away from Hesters scar.
Its not a nice, clean knife streak.
She was hit with such force that it cut and tore.
Theres always gonna be critics from the literal translation from the books, but its an adaptation.
You actually just wouldnt react [in the same way], he said.
Mortal Enginesopens in theaters Dec. 14.