John Robert Jones (born 1926) writes science fiction as John Dalmas. He has written many books based on military and governmental themes. His first published novel was The Yngling, serialized beginning in the October–November 1969 issue of Analog.
The Lion Of Farside, Baen Books, 1995: a simple American farmer marries a beautiful redhead with green eyes. When she is kidnapped by her family and taken back to the magical world she was born in, he buys a revolver and rifle and follows to rescue her. Complications occur. His guns do not work, magic abounds, and he is captured by slavers the moment he crosses into the new world.