Generate a question that has the following answer: Mary Shelley for the following movie plot: The film starts with the intro page and a message that this is an adaptation of Mary Shelley's classic novel. The young Frankenstein is shown saying goodbye to his parents as he goes away to college. Two years later he is experimenting and discovering the mystery of life. Then he writes a letter to Elizabeth, the love of his life, explaining to her that this very night he is going to create the perfect human being. He then tells her that once he is done, he will return to her and propose marriage. Then Frankenstein completed his mission. Soon. the monster comes to life and exists its creation chamber. But this grotesque creation is far from perfect, and Frankenstein is bewildered and appalled at how evil his new monster is. After he is stalked by the monster, Frankenstein collapses on the floor. He is revived by a friend and then returns home. The Monster follows him and haunts the young Dr. on his wedding night. Then, as the love between Frankenstein and his new wife becomes stronger, the evil that is Frankenstein's Monster, disappears.
The answer to this question is:
Who wrote the classic novel which the move is an adaptation of?