Peter Brandvold is an American western fiction author. Life. Born in North Dakota, bestselling western novelist Peter Brandvold has penned over seventy fast-action westerns under his own name and his pen name, Frank Leslie. He is the author of the .45-Caliber books featuring Cuno Massey as well as the Lou Prophet and Yakima Henry novels. Recently, with his first young-adult western, LONNIE GENTRY and its successor, The Curse of Skull Canyon, he began publishing with Five Star. He is the head of "Mean Pete Publishing", the publisher of lightning-fast western ebooks.
https://en.wikipedia.org/wiki/Peter_Brandvold