science fiction

Dr. Mackenzie Connor and fellow scientist Dr. Emily Mamani encounter Brymn, the first member of an alien race known as the Dhryn to ever set foot on Earth, who asks for their help in discovering what has destroyed part of the universe known as the Chasm.

Bean must overcome his past and prove to the recruiters at the Battle School that he can help save the planet from an alien invasion.

In a future where most people have computer implants in their heads to control their environment, a boy meets an unusual girl who is in serious trouble.

Young Ender Wiggin may prove to be the military genius Earth needs to fight a desperate battle against a deadly alien race that will determine the future of the human race.

Sequel to: 2001, a space odyssey. Dr. Heywood Floyd travels to Jupiter to find out what happened to the astronauts of the ship Discovery and its computer HAL 9000.

Pursuing her dream to be a Harper of Pern, Menolly studies under the Masterharper, learning that more is required than a facility with music and a clever way with words.

When the Overlords first came to Earth, they brought peace and prosperity with them, but it soon became apparent that their purpose was the elimination of the human race.

In this sequel to "Time and again," Simon Morley, who is capable of traveling back and forth in time, must ensure the safety of a man carrying papers on the Titanic that might help avert World War I.

Hari Seldon struggles to perfect his revolutionary Theory of Psychohistory and the means to ensure the survival of humanity: Foundation.

Taguri, one of a group of scientists and historians living in a post-apocalyptic world, views the past through a machine, TruSite II, and discovers one of the women she is studying can see her, too. The discovery sets off a debate over whether the past can be changed to save the future.