How are the "other'" books in the Foundation series by Asimov?

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How are the "other'" books in the Foundation series by Asimov? - Feddit.it

I read quite some time ago the foundation trilogy and “prelude to foundation”, and I was evaluating buying an ebook with the 7 books, (the trilogy plus the 2 prequels and the 2 sequels.) Are they worth it?

They are all great books and worth to follow both Hari Seldon and Golan Trevize around, in the Asimov universe.

I can also suggest The End of Eternity.

I remember The End of Eternity as being quite unlike anything else Asimov wrote, and all the better for it.