Book where Earth is being divided up into different time periods by aliens
130709
Identify book or long story in which a young Rudyard Kipling appears out of his time
117123
Sci Fi short story with aliens who only mate every 7 years
18199
Looking for sci-fi novel I read about humanity finding alien station on orbit of Earth
101398
Book about two alien castes, alien hand modification
98333
What Sci-Fi book (1987 or older) had Aliens conquer earth and made Humans their slaves?
17094
Identity novel, short story or book series... slower than light space battles, time dilation and boardings, several planets
93979
Help Identifying a Sci-Fi Book: Humans transported to alien world and given tasks to escape
16594
Earth occupation/invasion book I read in the 90s
16021
Book where characters have powers that get stronger as they get closer to the center of the world
17179
80's (or earlier) book about a role-playing group getting sucked into a new realm
97097
Novel with psychic parasites from Earth
38880
Fantasy book series with dinosaurs and humans inhabiting a semi-magical world
15303
novel identification: alien scientists must save their civilization from future destruction
76448
Novel about a replica of earth where history happened slightly differently after the ~1940s
150922
Identification of a sci-fi book or book series based on the description of two alien races
131436
Story about tricking the earth empire into saving hopeless aliens
143007
Book with travellers, alien artefacts and age reversal