At last, the costly and bitter war between the two Foundations has come to an end. The scientists of the First Foundation have proved victorious, and now they return to Hari Seldon’s long established...

Led by its founding father, the psychohistorian Hari Seldon, and utilizing science and technology, the Foundation survived the greed and barbarism of its neighboring warrior-planets. Now cleverness...

In the twenty-second century, Earth obtains limitless, free energy from a source science little understands: an exchange between Earth and a parallel universe, using a process devised by the aliens....