James McClure, The Steam Pig (1971). This series is now being reprinted. They are of their time and place, the Republic of South Africa in the 1960s, replete with institutionalized racism, colour coding of one and all, English-Boer hostility, and casual brutality. Sergeant Tromp Kramer, a Boer, and his Bantu assistant Mickey Zondi get on with the police procedural, leaving the moralizing to the reader.
I do know about underlining title but once again the tools for underlining and hyperlinking are not available.