You Must Be Kidding — James Hadley Chase

There is a homicidal killer loose in Paradise City... and a golf ball jacket button has been found in the scene of the crime. Beautiful and sexy Karen, daughter of assurance millionaire, Sternwood is subsequently found ripped apart, and Ken Brandon, her married boss, with whom she is having a fling, has a jacket with golf ball buttons. So the spotlight falls on Brandon. But in the world of crime, 2 + 2 do not always add to 4, sometimes they also add to 5, as Paradise City cops were soon to find out - for the killer would be found where there was a black sky, a red moon and an orange beach.....