One of the main works that influenced Stephenie Meyer was Shakespeare's Romeo and Juliet, a tale of star-crossed lovers prevented from being together by their different backgrounds. Romeo and Juliet are the children of two warring families of Verona. Despite this, they fall in love.
There are many parallels in Twilight. Bella and Edward are too different to be together - she is human, he is a vampire. Like Juliet, Bella has to risk everything to be with her love - even her own life.
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