This is a little list of SF books I suggest:

• Fantastic Voyage - Isaac Asimov

• Prelude to Foundation - Isaac Asimov
• Forward the Foundation - Isaac Asimov
• Foundation - Isaac Asimov
• Foundation and Empire - Isaac Asimov
• Foundation's Edge - Isaac Asimov
• Second Foundation - Isaac Asimov
• Foundation and Earth - Isaac Asimov