Palaeomagnetism, plates, hot spots, trenches and ridges are the subject of this unusual book. Plate Tectonics is a book of exercises and background information that introduces and demonstrates the basics of the subject. In a lively and lucid manner, it brings together a great deal of material in spherical trigonometry that is necessary to understand plate tectonics and the research literature written about it. It is intended for use in first year...