Who wrote the book Frankenstein?
Frankenstein, or the Modern Prometheus, was written by Mary Shelley, an English author. It was first published in 1818.
Complete the following task based on the instruction and optional input provided.### Instruction:
Who wrote the book Frankenstein?

### Output:
Frankenstein, or the Modern Prometheus, was written by Mary Shelley, an English author. It was first published in 1818.