Anna Sewell. Anna Sewell (March 30, 1820 - April 25, 1878) was a British author who is best known for writing the 1877 children's novel Black Beauty. External links Works of Anna Sewell on Wikisource. This article is a stub. You can help the Literawiki by expanding it. Retrieved from "https://literature.fandom.com/wiki/Anna_Sewell?oldid=14396" Categories: Stub Fiction Authors Childrens Authors Community content is available under CC-BY-SA unless otherwise noted.