John D. MacDonald 
Murder for the Bride 

Dillon Bryant, a successful engineer, is off on assignment after finishing his honeymoon. But news from home comes that his new bride, Laura, a beautiful woman whom he had met only weeks before proposing marriage, is in deep trouble. By the time he gets to her, Laura has been murdered. Filled with grief and rage, he cannot leave it up to the police to solve the case — he wants his own kind of revenge against the killer …