Book Excerpt:...n we went on from those anticipations of swaying insecurity to speculations about the psychological and physiological effects of flying. Most people who look down from the top of a cliff or high tower feel some slight qualms of dread, many feel a quite sickening dread. Even if men struggled high into the air, we asked, wouldn't they be smitten up there by such a lonely and reeling dismay as to lose all self-control? And, above all, wouldn't the pitching and tossing make them quite horribly sea-sick?I have always been a little haunted by that last dread. It gave a little undertow of funk to the mood of lively curiosity with which I got aboard the waterplane this morning--that sort of faint, thin funk that so readily invades one on the verge of any new experience; when one tries one's first dive, for example, or pushes off for the first time down an ice run. I thought I should very probably be sea-sick--or, to be more precise, air-sick; I thought also that I might be very giddy, and that I might get...