After declaring independence from Earth, Mars still faces problems: an impending ice age, a search for religious meaning, and immigration. New medical discoveries enable people to live 200 years, causing overpopulation on Earth and the Martians object to being swamped by Earthmen. A replay of New World problems in space. By the author of a trilogy, of which this is the last volume.

In Red Mars, Kim Stanley Robinson imagined a near future where humankind established the first colonies on Mars and began to make the planet inhabitable for humans. In this stunning sequel to that Nebula Award-winning novel, Robinson takes the colonization of Mars to a new generation, with a new set of problems and concerns. The initial Martian pioneers had fierce disagreements about how the planet should be used by humans. This led to a war that...

A transmission received from outer space in a combination of different Earth languages tells of an alien schoolboy's fantastic excuse for being late to school again.

Bean, the embattled right-hand man of Ender Wiggin, must move to another planet to raise a family with his wife, Petra, because enemies lay in wait everywhere on Earth. Bean's past was a battle just to survive. He first appeared on the streets of Rotterdam, a tiny child with a mind leagues beyond anyone else. He knew he could not survive through strength; he used his tactical genius to gain acceptance into a children's gang, and then to help make...

Now, the writer who gets better with every book delivers a scorching novel of destruction and heroism-on a galactic scale. Hailed as a sweeping novel of suspense and spectacle, Chindi was thought by many to be Jack McDevitt's finest book to date. Now he concludes the story begun almost a decade ago in The Engines of God-as Earth's military and scientific experts band together to save an alien society from a deadly force speeding toward its home planet....

In the extraordinary Worldwar tetralogy, set against the backdrop of World War II, Harry Turtledove, whom Publishers Weekly has called the "Hugo-winning master of alternate SF," wove an explosive saga of world powers locked in conflict against an enemy from the stars. Now he expands his magnificent epic into the volatile 1960s, when the space race is in its infancy and humanity must face its greatest challenge: alien colonization of planet Earth.Yet...

Raz, a mathematician, is among a cohort of secluded scientists and philosophers who are called upon to save the world from impending catastrophe.

The Intersolar Commonwealth is in turmoil and at the center of the controversy is Edeard, the Waterwalker, whose crusade against corruption, injustice, and violence in the face of temptation and betrayal will test his extraordinary powers.

The new novel in the sweeping Mageworlds series. On the planet Entibor, Arekhon sus-Khalgath sus Peledaen has found shelter and domestic tranquility with his old love, Elaeli Inadi, at the price of what he had left behind: a dispersed and shattered Mage-Circle, an estranged brother who had tried to kill him, and a homeworld on the cusp of massive cultural upheaval. Arekhon finds himself impelled homeward by strange dreams and prophetic visions....

Discusses efforts to find intelligent life on other planets and theories on this topic and describes UFO sightings and other phenomena that are given as evidence of extraterrestrial visitors among us.