Watcher of the Skies (Live Shepperton Studios 1973) Based in some way on Arthur C.Clarke’s “Childhood’s End”. The book follows the peaceful alien invasion of Earth by the mysterious Overlords (Gabriel’s character), whose arrival ends all war, helps form a world government, and turns the planet into a near-utopia. However mankind eventually evolves leaving Earth and their bodies behind to join a cosmic consciousness called the Overmind. Keep It Dark (1981) Tony Banks explains in the 2007 DVD re-release…