70s Book about an intergalactic cruise
123838
Book about a planet covered in very, very long necked aliens
98562
Story about spaceship and a tool
126418
Story about encounter with hostile aliens
18973
What was that Sci-fi book mixing classic art and book excerpts to build a timeline of the universe?
55991
Book where human thoughts are affecting the universe
119198
Looking for title of a sci-fi story about a one-way space journey
85251
Tracking down an old sci-fi book
150922
Identification of a sci-fi book or book series based on the description of two alien races
69427
What 70s (60s?) TV show / TV movie had a generation ship whose inhabitants did not know they were on a spaceship?
81413
A book about explorers stranded on a planet with two computers
2832
Book series with college students finding a way to open portals to other planets
143476
70's/80's sci-fi book about conscript trained to be a powerful warrior
38564
Trying to identify pre-1970s short story involving multiple humans absorbed into an alien blob
131187
A novel about a man left behind by his family's spaceship who helps discover a warp drive
126872
70s YA novel about two boys travelling millions of years into the past, meeting a "cynogasaurus" and rival animal-themed caveman tribes
18644
Looking for an old-old sci-fi tale about time-traveling
62193
Trying to find a book about rediscovered space travel after interstellar war isolates planets