Novel about a girl who climbs around inside the walls of a spaceship
59497
Book about actress forced to disguise alien murderer
134811
Story involving teenager being recruited to travel to different worlds
47861
A sci-fi book or TV show about a tribesman discovering he or she actually lives in a huge spaceship
80328
YA novel - kid finds some kind of time traveling creature
127124
Looking for a book about the moon being a spaceship with an AI
118033
Title of novel with girl who can read minds by observing body language, later communicates with a hive mind on an alien planet's surface
18821
YA novel about dystopian future with non-human overlords and teenage heroes
94948
Book about time portals inside an asteroid in Earth orbit
34464
YA dystopia novel of battle school with unusual military control scheme
4270
Teens stranded in eco-system within alien ship, fighting for survival
862
Book ID: Astronauts and Lab Students can create portals through space
131908
short story about astronauts/colonists in a hostile planet
58179
90's book about children climbing a tree and visiting different worlds from there
134762
SF novel about crashed pilot
155483
Science-fiction book where the protagonist has a hidden blade inside his body
29380
YA series with a housekeeper or protector robot and set on a planet with a harsh sun
28309
Novel about rich industrialist who is recruited by a woman who uses magic, takes him to her world were he crash lands