Book with aliens that evolve extremely quickly
28569
Tiny lifeforms on planetoid that live at accelerated time rate
37150
Sci-fi novella where colonists begin to de-evolve - Mankind has reached limits of its evolutionary cycle
96055
Finding a book with a man from the future being reincarnated on Earth in past times
141480
Help identifing a book about people exiled to the distant past
45497
Story about a deadly alien creature on another planet that has some chemical in its body that makes it faster
100531
Novel about a teleportation device and a con artist alien
38857
Story Identification: Human Resistance to Conquering Aliens
143007
Book with travellers, alien artefacts and age reversal
131436
Story about tricking the earth empire into saving hopeless aliens
97147
Short story about aliens who invade Earth and are baffled by the climate
61205
SciFi from an Alien's perspective
156511
Science fiction about found children who are adopted into families and age quickly
17389
Need help recalling name of sci-if story about earth evolving into electronic life forms
123838
Book about a planet covered in very, very long necked aliens
76018
Short Story About Contact With An Alien Race That Extruded An Elixir
142054
Seeking title / author of a story about alien first contact with Earth
116130
Novel about rendezvous with alien ship travelling through the solar system