Novel about a collection of aliens who recruit humans in an interstellar war
27187
Sci-fi series: humans are immune to telepathy, become soldiers for an alien group fighting against invertebrate telepaths
141480
Help identifing a book about people exiled to the distant past
139418
Looking for a short story about an insect-like alien captured by humans on its own planet
21252
Series of sci-fi novels: sisters turned into cow like aliens, mother ship full of humans
129715
Looking for a book featuring a soldier/marine travelling to a different time/universe
18832
What Sci-Fi novel is about aliens who consider it simply convenient to exterminate the human race?
33607
SF TV show about a war between humans and aliens?
97483
Looking for book: contact with aliens, five different races, mismatched claws, biological imperative to breed
97097
Novel with psychic parasites from Earth
123838
Book about a planet covered in very, very long necked aliens
102575
Sci-fi book with HUGE trees and catlike people
69401
Short SciFi story where humans join and evolve into a kind of multi-creature
142581
Short story describing an alien invasion where humans are the invaders
92145
Funny short story on man and insect that land on new planet and irritate war-loving inhabitants
62418
Science fiction book series about aliens that look exactly like humans, protagonist tries to rescue her brother from a government camp ran by aliens
116839
Novel about alien species made of gas rings?
110453
80s-90s Sci Fi book about a transformed Earth invaded by aliens