Dave and His Rivals is the seventh book in the Dave Porter series. It tells the story of Dave Porter's return to Oak Hall boarding school for his fourth year. Dave has worked hard to fit into the school culture and, being a likable young man to start with, has made a goodly number of close friends. However, being popular and a good athlete besides has brought out jealously among some of his classmates. Unlike the schoolboy pranks of earlier years, some of the actions Dave'...