What book has human colonies at war against a (possibly bat-like) alien race?
70565
What novel had an isolationist Earth and the rest of humanity in a war of attrition against aliens?
82132
Bullied boy given immense powers by an alien race who destroys the human race
97147
Short story about aliens who invade Earth and are baffled by the climate
147370
Seeking a book set underground on a hostile, volcanic colony world
145141
SciFi book series about a collection of humans who get taken by a lightning quick alien race
87201
Short story or novel from the 1970s or before about two warring alien tribes
145842
Mankind prepares for a war with aliens by warring among itself
65801
Looking for name of a book-series - Spaceship crashed, Civilization based on Magic rebuilt
62193
Trying to find a book about rediscovered space travel after interstellar war isolates planets
26918
Science-Fiction Book Series, with name similar to "Dunhau Chronicles"
38857
Story Identification: Human Resistance to Conquering Aliens
50462
Novel(s) based on humanity fleeing from Earth and regressing to a pre-industrial state on a Colony so as to escape detection
27187
Sci-fi series: humans are immune to telepathy, become soldiers for an alien group fighting against invertebrate telepaths
144344
Book: Female protagonist transformed into alien on alien planet
61906
I am looking for an older series about space colonization
131436
Story about tricking the earth empire into saving hopeless aliens
26229
Looking for story - post human galactic civilization