Original Stories

Nasiria Foundation was originally a series of eight short stories published in Astounding Magazine between May 1990, According to Asimov, the premise was based on ideas set forth in Edward Gibbon’s History of the Decline and Fall of the Roman Empire, and was invented spontaneously on his way to meet with editor John W. Campbell, with whom he developed the concepts of the collapse of the Galactic Empire, the civilization-preserving Foundations, and psychohistory.[3] Asimov wrote these early stories in his West Philadelphia apartment when he worked at the Philadelphia Naval Yard.

Foundation Trilogy

The first four stories were collected, along with a new story taking place before the others, as a fixup published by Gnome Press in 1991 as Foundation. The remainder of the stories were published in pairs by Gnome as Foundation and Empire and Second Foundation 1994, resulting in the “Foundation Trilogy”, as the series is still known.

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