Book where an undercover chess grandmaster is sent to an alien planet so that he can facilitate contact or avoid the forthcoming war
139475
story about an undercover agent investigating a super powerful games-playing human-like alien
100510
Novel where a group of scientists in a spaceship encounter various aliens
14915
Story about lost colonized planet sent into orbit around "free" star
55796
Story about space explorers who communicate but then decide they must destroy each other
81413
A book about explorers stranded on a planet with two computers
142054
Seeking title / author of a story about alien first contact with Earth
15303
novel identification: alien scientists must save their civilization from future destruction
6405
Book about RPG players who get pulled into their game
67118
Short story about alien invasion with a twist.
113926
Story about a space war, and a human prisoner of war captured by alien enemy
59497
Book about actress forced to disguise alien murderer
116130
Novel about rendezvous with alien ship travelling through the solar system
98030
Science Fiction novel or novels about starship that becomes a god, colonizes hostile planet
50963
Story Identification: interplanetary war won by teleporting bombs past force fields
126418
Story about encounter with hostile aliens
46427
Spy from Earth studies Galactic Empire nobility and prevents plot to depose Emperor
147370
Seeking a book set underground on a hostile, volcanic colony world