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The fourth book in Isaac Asimov's hugely popular «galactic» Foundation series of novels!

The second Foundation has been destroyed. The First Foundation is the only power that controls the Galaxy. At least that's what was believed for a long time. But doubts began to spread through the capital of the First Foundation. Former spacefleet officer Golan Trevize is accused of treason and sent out of the capital with a secret order to find the Second Foundation. He is accompanied by mythology professor Janov Pelorat, who wants to find the Earth, the ancient cradle of humanity. But a third force enters the invisible battle for power, capable of subduing not only both Foundations, but the entire Galaxy....