Arthur W. Upfield 
Bony and the Black Virgin [EPUB ebook] 
The Torn Branch

When Inspector Bonaparte is called to the drought-stricken outback sheep station he finds that two men have been savagely beaten to death. Clues are scarce in this sun-baked, sand-blown country, but Bony’s understanding of the bush and the people who live there – both black and white – leads him inexorably towards the killer…
When Upfield gets down to the point of interracial sexual relations, he in effect is writing on one of the topics closest to his heart. Here his picture is unusually poignant. Caught in the iron grip of separation from his kind, of loneliness, of sexual attraction, Eric Downer is a victim of life… – from The Spirit of Australia by Ray Browne.