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The Terridae believed the lost Earth was heaven and utopia combined. In their artificial planet, they moved slowly through the universe in search of it. And in their eyes, the rediscovery of Earth was to be the Event. Now they said the Event was coming! Earl Dumarest, who was born on Earth and knew the truth, was an unwelcome visitor among them. If they knew of Earths whereabouts, they were not telling him. But there were clues aplenty and Earl would not quit until he had them all. But another Event was already on its way. A Cyclan ship was rapidly approaching the Terridaes world, sure this time that Dumarest would fall into their heartless clutches. Dumarest was not ready to flee, but if he stayed there would be no Earth for him, only a long lingering doom.
Used availability for E C Tubb's The Coming Event
October 1986 : UK Paperback
April 1982 : USA Mass Market Paperback
September 2011 : USA, Canada Kindle edition
September 2011 : Australia, UK Kindle edition