Book set in two universes
30124
Story about machines generating energy with parallel universes, endangering ours
51376
1970s (?) sci-fi book based on Hinduism/Buddhism
76448
Novel about a replica of earth where history happened slightly differently after the ~1940s
82943
Book where humans on another planets are cannibals
17094
Identity novel, short story or book series... slower than light space battles, time dilation and boardings, several planets
82270
Book set in contemporary times about a travel writer who is inducted into the world of the supernatural
89419
Book with a female main character and a male protector after a nuclear or chemical fallout
118413
A universe of Greek gods/goddesses, set in modern time (3 book series)
16021
Book where characters have powers that get stronger as they get closer to the center of the world
136911
A story about the world split into three realms
69401
Short SciFi story where humans join and evolve into a kind of multi-creature
62193
Trying to find a book about rediscovered space travel after interstellar war isolates planets
154388
Sci-Fi book with 4 prison planets
97097
Novel with psychic parasites from Earth
12720
Short Sci-fi story about a sentient planet/creature that exists to seed the universe with life
64085
Story about a multiverse theory of immortality
2463
Story ID - Humans of various epochs are transported to a world