Book about orbiting rocks and dragons
24414
Fantasy book series with non-human races and labyrinth
116839
Novel about alien species made of gas rings?
2832
Book series with college students finding a way to open portals to other planets
78200
Looking for title/author of SF novel about malevolent creatures/gods residing inside stars
4104
Book series about a man who discovers advanced alien artifacts on the moon
58179
90's book about children climbing a tree and visiting different worlds from there
74048
Looking to Identify Book that has a large Leviathan type ship on the front
114205
Children’s books, one in space setting, the other in a jungle
158489
Series of books featuring dragons, enchanted forests, magic swords, etc
17658
Children's science fiction book series and tv show
139623
Book series where they collect either stones or gems
110960
ID a book about a mirror world and 4th dimension
23113
Story with multiple 'third planet' races
105726
Book: World covered in trees that are miles high
18199
Looking for sci-fi novel I read about humanity finding alien station on orbit of Earth
50313
Novel where a man is paid to travel to a planet inside a metallic sphere
116130
Novel about rendezvous with alien ship travelling through the solar system