Inspired by the revelation that the Sphinx had been weathered by water and not by wind-blown sand and was, therefore, thousands of years older than the oldest civilisation known to man, Colin Wilson sets out to explore the remote depths of history.

Inspired by the revelation that the Sphinx had been weathered by water and not by wind-blown sand and was, therefore, thousands of years older than the oldest civilisation known to man, Colin Wilson sets out to explore the remote depths of history.