An American science fiction writer, he is best known for such novels as Tom Wedderburn's Life, Fitzpatrick's War, and Hell Can Wait. His other notable works include The Martian General's Daughter and The Sultan's Emissary.
He studied at the University of Wyoming. He published his debut work, Tom Wedderburn's Life, in 2002.
He began his literary career following his wife's death.
He was raised on a Wyoming farm.