The air that you breathe

We've all been enjoying the recent brisk breezes - but do you know why the wind blows? In An Ocean of Air, author Gabrielle Walker explains why the wind blows and all sorts of other fascinating details about the atmosphere. Learn about (among other people): "A one-eyed barnstorming pilot [who] finds a set of winds that constantly blow five miles above our heads; an impoverished American farmer [who] figures out why hurricanes move in a circle by carving equations with his pitchfork on a barn door; and a well-meaning inventor [who] nearly destroys the ozone layer. A great book - check it out!