High Quality Content by WIKIPEDIA articles! Diana J. Gabaldon (b. January 11, 1952 in Arizona) is an American author of Mexican-American and English ancestry. Gabaldon is the author of the best-selling Outlander Series. Her books are difficult to classify by genre, since they contain elements of romantic fiction, historical fiction, mystery, adventure, and science fiction (in the form of time travel). Her books have so far sold more than 17 million copies in 23 countries, and have been translated into 19 languages.