Forward the Foundation

Prelude to Foundation

Isaac Asimov

1988

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Foundation's Edge

Isaac Asimov

1982

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Foundation and Earth

Isaac Asimov

1986

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The Caves of Steel

Isaac Asimov

1954

Covers from OpenLibrary

Robots and Empire

Isaac Asimov

1985

Covers from OpenLibrary

Second Foundation

Isaac Asimov

1953

Covers from OpenLibrary