"We could bore ourselves to death, drink ourselves to death, or have a bit of an adventure..." It was absurd. It was foolhardy. And it was glorious. When they retired, Terry Darlington and his somewhat saner wife Monica--together with their dog, a whippet named Jim--chucked their earthbound life and set out in an utterly unseaworthy sixty-foot canal narrowboat across the notoriously treacherous English Channel and down to the South of France. Aboard...