Dark Outlaw

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