Writer and weekend outdoorsman Avrel Seale had always dreamed of boating down a river to the sea, but he had never found the right boat, the right river, or the right opportunity. Then, at age fifty, he suffered a massive brain hemorrhage, depriving him of the use of one arm.But, as he writes, "dreams are stubborn things," and less than two years after his stroke, he was again mulling such a trip. With the recruitment of a lifelong friend and the...