Dark Outlaw: The Story of Gunman Gardiner is a 1945 Australian historical novel by Frank Clune about bushranger Frank Gardiner.
[1][2] In 1948, Clune stated it was his best-selling book, with over 80,000 copies sold.
[3] He wrote this and Ben Hall, Bushranger as historical novels while researching his large non fiction book Wild Colonial Boys.
[4][5] Clune rewrote the material and published a new version in 1952 called Gunman Gardiner.
[6][7] He later wrote a proper biography of Gardiner called King of the Road, which was published in 1967.