Outlander is a series of American historical fiction novels by writer Diana Gabaldon. Gabaldon started the series' first volume, Outlander, in the late 1980s, and was published in 1991. She published eight of the ten planned volumes. The series' eighth and most recent volume, Written in My Own Heart's Blood, was published in 2014. Gabaldon is currently writing the ninth novel, Go Tell the Bees That I Am Gone.
The Outlander series focuses on 20th century British nurse Claire Randall, who travels to 18th century Scotland and finds adventure and romance with Highland warrior Jamie Fraser. The books sold more than 25 million copies worldwide in August 2014. Among the many derivative works, there are two short stories, three novels, a romance series with the recurring secondary character Lord John Gray, a graphic novel, a musical and a television series.