Help me ID book about time traveling kids
93462
Time Travel young adult novel from late 80's
17094
Identity novel, short story or book series... slower than light space battles, time dilation and boardings, several planets
62193
Trying to find a book about rediscovered space travel after interstellar war isolates planets
38856
YA novel about boys travelling to post-apocalypse future
112943
Short lived time travelling British TV show identification
110960
ID a book about a mirror world and 4th dimension
118125
book identification scifi/fantasy with talking human intelligence cat
26358
Book about ancient Martian astronauts being the root of modern humanity and time travel
76413
Looking for the title/author of story about snail-like creatures
156511
Science fiction about found children who are adopted into families and age quickly
17658
Children's science fiction book series and tv show
38880
Fantasy book series with dinosaurs and humans inhabiting a semi-magical world
6181
1970s or 80s kids book: girl's life taken over by a robot doppelganger version of herself
57115
Can anyone help me identify a story about kids with silver blood?
102575
Sci-fi book with HUGE trees and catlike people
74443
YA Time travel/teleportation novel. Plot required using helmet (or other head gear)
12139
Identify fictional book/story: where to ask?