Chapter 17: XVII

XVII Dangerous Business When the Hardy boys arrived at Riverside Field they looked in vain for Giles Ducroy and his friends. But the trio were not in sight, and there was but one airplane on the flying field. It was a small two-seater. “It can’t be their plane,” said Frank. “Ollie Jacobs said it would hold four or five men.” “Perhaps they haven’t arrived yet,” Joe suggested. “They had only thirty miles to go. They should have been here long ago.” “We can go up to one of the ha…