The Scarlet Letter
What kind of message does the author want the reader to get from The Scarlet letter?
The scarlet letter
The scarlet letter
This is a thematic question. There are quite a few themes or "messages" that you might consider. Check out the GradeSaver themes page and choose one that you think is most important.
http://www.gradesaver.com/the-scarlet-letter/study-guide/themes