Children's or young adults novel about travelling in a vast flooded dungeon to reset a computer
30721
Childrens sci-fi story about space travelling family, racist rabbits, and a utilitarian computer?
47530
Story of lost tech but magic manifests
61327
Book about a kingdom invaded by another world
17179
80's (or earlier) book about a role-playing group getting sucked into a new realm
100531
Novel about a teleportation device and a con artist alien
30473
Looking for a book about a human-nature predicting supercomputer
83498
Novel about underwater city with separatists
55772
Time/space traveling story where a person travels through a portal in the London Underground
76070
Novel about people living in a virtual reality on a spaceship, only discovering this over time
147370
Seeking a book set underground on a hostile, volcanic colony world
9970
Seeking a novel containing the word "ever" in the title; Teens fall asleep and awake in a medieval fantasy world
43631
Novel where bands of humans roamed a world controlled by intelligent machines
131350
A book about travelling to hell and cutting worlds with a knife
73252
Book set underground everyone lives in pods woman wants to see her son
102347
Children's SF book about moon folk going to live on another planet
69727
Fantasy piece involving different worlds and a crippled protagonist
137668
Fantasy novel about kid who controls magic through coin changer device