Paul did not reply, and on Jack turning his head to ascertain why, he found his chum staring at a red automobile that had just whizzed past!
It had a khaki-colored top!
CHAPTER XXIII
THE RED CAR
"What's the matter with you, Paul?"
Jack asked this question, for of course he could not understand why his chum should take such a deep interest in any automobile that passed them on the road.
"Did you happen to see inside that red car as it went by?" asked Paul, turning eagerly on his friend.
"Why, er—yes, I did chance to be looking over your shoulders just then; I was a little afraid the wheels might graze you," admitted Jack.
"Do you know the machine, then?" asked the other, in some suspense.