Court Trouble (A Platform Tennis Mystery)

When Mark Yeager’s friend is bludgeoned to death in the dark on a platform tennis court, Mark becomes an amateur sleuth to find which of the four suspects is the murderer. Avoiding attempts on his life, he must crack the case and figure out how to save the courts from being shut down by the city while waiting for doctor’s results on whether he is cancer-free after his bout with prostate cancer.