Two explorers land on a planet where the atmosphere makes their childhood terrors into reality
133477
Exploration teams land on planet and die of nightmares
99076
Short story (maybe two in the same collection) about Alien education versus Earth
67212
Young man discovers his home "world" is a spaceship
100344
Identify story about girl on alien planet with western feel
155471
Early 80s anthology book about human kind being feared by other races in space
102347
Children's SF book about moon folk going to live on another planet
131436
Story about tricking the earth empire into saving hopeless aliens
58179
90's book about children climbing a tree and visiting different worlds from there
94172
Science Fiction story about humans escaping earth's destruction
55796
Story about space explorers who communicate but then decide they must destroy each other
60657
Title of a book telling about people teleported to a hostile planet while in deep meditation
25643
Martian plagues afflict the Earth
73311
Short Story About How 2 Astronauts Who Stop for Lunch Unknowingly Destroy the Only Lifeform on an Arid Planet
147383
Human & Alien captured, observed by higher beings
36157
Movie where an alien pod landed at an arctic base
97147
Short story about aliens who invade Earth and are baffled by the climate
101629
Story about a man and an alien exploring an alien world