New in paper 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"--introdu...New in paper 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.