"The map I have, it might not be accurate now, but there's supposed to be a river connecting Portland, the place we were just at, to Salem. If we would have thought ahead, we could have gotten one of those crappy old boats down by the water and just rode the current to Salem or even past that," Liam said as they walked. He looked at the sign. "It says 'Salem, 55 miles'. You don't know how to read?"