The Clevedon Case by John Oakley and Nancy Oakley The well-known authority on criminology, Dennis Holt, inherited a house in a remote village, the sort of place in which, to quote himself, "nothing ever happens." One night at fifty-three minutes past eleven (he was always meticulously accurate about time), his attention was attracted by a peremptory tapping on the window pane. That was the beginning of a bewildering series of happenings in the life of Dennis Holt.