This book shows how to make an accurate sundial with just a bit of simple materials, geometry, and a map with information about your longitude and latitude. It also shows how a sundial is really a model of the relationship between the earth and the sun - and, by extension, between you and the cosmos. A few experiments help to see what's happening as if you were looking at the earth from outer space. Starting with a stick and its shadow on a sunny day, the books shows how to locate true north, how to feel the earth turning under your feet, and how to turn the stick into a small scale model . . .