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Childhood’s End (other topics)
The Naked Sun (other topics)
The Caves of Steel (mentioned 3 times) (other topics)
Second Foundation (other topics)
Foundation's Edge (other topics)
Foundation and Earth (mentioned 3 times) (other topics)
Foundation (other topics)
I, Robot (mentioned 4 times) (other topics)
The Left Hand of Darkness (mentioned 4 times) (other topics)
Wool Omnibus (other topics)
O Rei de Ferro (other topics)
Sob a Acácia do Ocidente (other topics)
A Wizard of Earthsea (mentioned 2 times) (other topics)
Catwings (other topics)
The Dispossessed: An Ambiguous Utopia (other topics)
Downbelow Station (mentioned 2 times) (other topics)
The Lathe of Heaven (other topics)
Forty Thousand in Gehenna (other topics)
Cyteen (other topics)
Eu, Robô (other topics)
Baptism of Fire (other topics)
Crime and Punishment (other topics)