Rachel Carson once wrote, "It is not half so important to know as to feel." What do we know about clouds? There are three basic types: stratus, cumulus, and cirrus. Some are fleecy and fair-weathered while others portend storms. But clouds are more than pretty or ominous backdrops. They're the vehicle of water between sea and land, land and sea, in a cycle without end or beginning. They are the writing of the wind on the sky, a language all their...