Looking for the title of a YA/Youth sci-fi novel about kids traveling to alien planet where the aliens need sulphur to survive?
18069
And now, for something completely different: The mushrooms are among us
102575
Sci-fi book with HUGE trees and catlike people
104485
Trying to find a novel where genetic engineering leads to the deaths of a whole 'batch' of children with a particular trait
67824
Book about a boy who travels to a parallel universe to get a book
98030
Science Fiction novel or novels about starship that becomes a god, colonizes hostile planet
145130
Looking for a scifi novel with advanced pheromone technology
17303
Young adult book about a boy(?) who gets sent through a portal to another world which is really the distant future
148604
Name the book where the setting is a giant ship with a planet inside
97483
Looking for book: contact with aliens, five different races, mismatched claws, biological imperative to breed
82943
Book where humans on another planets are cannibals
157823
Sci-fi novel with a house used by aliens as a station when space travelling, protected by a force field
94172
Science Fiction story about humans escaping earth's destruction
131908
short story about astronauts/colonists in a hostile planet
80328
YA novel - kid finds some kind of time traveling creature
15303
novel identification: alien scientists must save their civilization from future destruction
11377
Sci-fi book, blue critters than only some people can see, kids fight the critters as they feed off energy and are a threat
851
Looking for title of sci fi short story about attempts to colonise planet (Venus?). Scientist and his dog are main characters