A Game of Murder — Francis Durbridge

Set in London, A Game of Murder features a young Scotland Yard CIT officer who is on leave when his father dies in a golfing accident. But Harry Dawson won't let the mystery go, for mystery it is. Who is the young man seen on the golf links? Why is everyone so interested in a dog collar? What is the connection with the man in the pet shop? Is it really possible that the housekeeper's nephew can be inept as he seems? And where is the housekeeper?

Francis Durbridge's twisting, turning plot drips suspense on every page, quickening into a flood of action and mystery that keeps the reader guessing till the very end.