Describes the adventures of the seventeenth-century English explorer, from his search for a short route from Europe to the Orient to his mysterious disappearance after members of his crew mutinied

Fearing a violent confrontation between Earthmen and Spacers, Detective Baley and his new partner, a robot made in the image of the victim, investigate the murder of a Spacetown scientist.

Detective Elijah Baley--from The Naked Sun and Caves of Steel--is sent to Aurora to solve the murder of a humaniform robot.

A band of psychologists, under the leadership of psychohistorian Hari Seldon, plants a colony to encourage art, science, and technology in the declining Galactic Empire and to preserve the accumulated knowledge of humankind

Examines the many facets and puzzles of our Moon, including its phases and eclipses, its early discoveries and modern exploration, and its possible origins and future prospects

Describes the characteristics of the fourth planet from the sun, the only one whose surface can be seen in any detail from the earth

Briefly describes the characteristics of the sun, planets, and stars of our solar system and some of the still unsolved mysteries of the universe

"The Foundation lies in ruins--destroyed by a mutant mind bent on humanity's annihilation. But it's rumored that there's a Second Foundation hidden somewhere at the end of the Galaxy, established as insurance to preserve the knowledge of mankind. Now a desperate race has begun between the survivors of the First Foundation and an alien entity to find this last flicker of humanity's shining past--and future hope. Yet the key to it all might be a fourteen-year-old...

Describes the characteristics of the seventh planet from the sun as revealed in the information sent back by Voyager 2

Introduces this small, distant, and mysterious planet, surveying its discovery sixty years ago, peculiar orbit, and recently discovered satellite