The Book of CloudsSee the sky as you never have before. Using a series of his awe inspiring images, photographer and scientist John Day who has a Ph. D. in cloud physics and is known round the world as "The Cloudman" introduces us to earth's great skyscape. His spectacular portfolio of pictures captures a variety of cloud forms and shapes, ranging from cottony soft cumulus clouds to frightening, whirling funnels, as well as a number of optical effects seen in the