See 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 heavens above. Rainbows, halos, coronas, flashes: all these and more elements in nature"s magic show appear on the page, including the incredible "Parhelia" or sun pillar, shafts of bright light that stretch from the ground right up into the sky. A magnificent cloud chart; an explanation of how clouds form; hints on forecasting, observing, and photographing clouds; and his "Ten Reasons to Look Up" show us how to use our "inner eye" to really see the familiar fleeting forms that seem to float effortlessly above.