query: Looking for a book where an advanced race tries to prevent Earthmen from exploiting primitives
positive_passages.docid: 23113
positive_passages.text: Story with multiple 'third planet' races
negative_passages.docid: 98333
negative_passages.text: What Sci-Fi book (1987 or older) had Aliens conquer earth and made Humans their slaves?
negative_passages.docid: 61906
negative_passages.text: I am looking for an older series about space colonization
negative_passages.docid: 104216
negative_passages.text: Help me identify this fantasy book about two near-omnipotent wizard run empires
negative_passages.docid: 51376
negative_passages.text: 1970s (?) sci-fi book based on Hinduism/Buddhism
negative_passages.docid: 45357
negative_passages.text: Science fiction/fantasy novel about a god returning to Earth to reclaim his powers
negative_passages.docid: 97483
negative_passages.text: Looking for book: contact with aliens, five different races, mismatched claws, biological imperative to breed
negative_passages.docid: 154725
negative_passages.text: Looking for identification of SF story where humans are the "ancient evil"
negative_passages.docid: 126418
negative_passages.text: Story about encounter with hostile aliens
negative_passages.docid: 39689
negative_passages.text: Book about mages who can harvest magical energy from the environment
negative_passages.docid: 139418
negative_passages.text: Looking for a short story about an insect-like alien captured by humans on its own planet
negative_passages.docid: 86958
negative_passages.text: Trilogy: Alien-insects invade earth and are resisted by cyborgs
negative_passages.docid: 116839
negative_passages.text: Novel about alien species made of gas rings?
negative_passages.docid: 123838
negative_passages.text: Book about a planet covered in very, very long necked aliens
negative_passages.docid: 39802
negative_passages.text: Book about a spacefaring race of winged creatures with talons, read about 15 years ago
negative_passages.docid: 94161
negative_passages.text: Trying to remember title of a book about people on an asteroid/comet
negative_passages.docid: 101398
negative_passages.text: Book about two alien castes, alien hand modification