Jack London (1876–1916) was an American novelist and radical, an important early writer of adventure thrillers and science fiction, including The Call of the Wild, The Iron Heel and White Fang.
Judith John (glossary) is a writer and editor specializing in literature and history. She has worked as an editor on major educational projects, including English A: Literature for the Pearson International Baccalaureate series. Judith’s major research interests include Romantic and Gothic literature, and Renaissance drama.