query: 60s or 70s novel about Empire of Man making 1st contact with 1st discovered alien race
positive_passages.docid: 97483
positive_passages.text: Looking for book: contact with aliens, five different races, mismatched claws, biological imperative to breed
negative_passages.docid: 18199
negative_passages.text: Looking for sci-fi novel I read about humanity finding alien station on orbit of Earth
negative_passages.docid: 81779
negative_passages.text: Name of book about a man who was genetically modified during prehistoric times by aliens
negative_passages.docid: 135913
negative_passages.text: Identifying a "finding Earth" series of SciFi novels
negative_passages.docid: 31439
negative_passages.text: Book series my dad told me about. It involves space travel, clones, and an indigenous people with kangaroo tails
negative_passages.docid: 54924
negative_passages.text: Alien studying human race for mental capacity and ESP
negative_passages.docid: 78200
negative_passages.text: Looking for title/author of SF novel about malevolent creatures/gods residing inside stars
negative_passages.docid: 61906
negative_passages.text: I am looking for an older series about space colonization
negative_passages.docid: 119198
negative_passages.text: Looking for title of a sci-fi story about a one-way space journey
negative_passages.docid: 62193
negative_passages.text: Trying to find a book about rediscovered space travel after interstellar war isolates planets
negative_passages.docid: 16900
negative_passages.text: A short story about finding an inhabitable planet and meeting aliens
negative_passages.docid: 155220
negative_passages.text: Short story about humans as beasts of burden for another race, read about 30 years ago
negative_passages.docid: 6794
negative_passages.text: Book about aliens arriving in an old country; people capture their spaceship and arrive at alien's planet
negative_passages.docid: 16594
negative_passages.text: Earth occupation/invasion book I read in the 90s
negative_passages.docid: 131436
negative_passages.text: Story about tricking the earth empire into saving hopeless aliens
negative_passages.docid: 101629
negative_passages.text: Story about a man and an alien exploring an alien world
negative_passages.docid: 92271
negative_passages.text: 70s/80s Sci-Fi book with teleport gates on sub-light spacecraft and an army space suit