Path of the Pole - Charles Hapgood
Path of the Pole by Charles Hapgood has served as a sourcebook for many recent writers on cataclysms and pole shifts, including Graham Hancock, deals with many issues that remain unexplained by science today. The author, an academic, spent years researching Antarctica, ancient maps and the geological record. 'The Path of the Pole', his riveting account of how the poles have often changed position on the earth's surface, is the culmination of his work.