But I immediately knew that I wanted to find out more about her and write an entire book about her because she brought out so many things about American history that we don't actually know about, generally, in this country. And also because, to me, she was such an extraordinary person in her own right. There are many people who survive incredible hardships, and she certainly did.
The speaker feels compelled to write about this woman because she has uncovered important historical facts that were not widely known and because the woman was an extraordinary person who overcame great hardship.