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The aliens from Dort have lost their world and now they want Earth!It is the year 2000.
In fifty years' time the planet Dort will collide with its sun and be destroyed.
Ratta, the dictator of Dort has chosen Earth as a new home for his people.
But first he is creating ten thousand disasters to wipe out all human life!Only Britain's best scientist, Professor Mike Dauntless, has the mind and spirit to stop Ratta from destroying humankind.