David Gerrold’s classic space opera Under the Eye of God tells the story of a group of unlikely rebels on a mission to reclaim the galaxy from ruthless vampire overlords known as the Phaestor. The dark, burnt world of Thoska-Roole, infamous for its harsh climate and equally callous inhabitants, might be the last place in the galaxy anyone would turn for aid in times of crisis. But the small, orange planet is home to the band of rebels who hold the fate of the entire galaxy in their hands.

At first, only a few things are known about the celestial object that astronomers dub Rama. It is huge, weighing more than ten trillion tons. And it is hurtling through the solar system at inconceivable speed. Then a space probe confirms the unthinkable: Rama is no natural object. It is, incredibly, an interstellar spacecraft. Space explorers and planet-bound scientists alike prepare for mankind's first encounter with alien intelligence.

Hella is a planet where everything is oversized. The trees are mile-high, the dinosaur herds are huge, and the weather is extreme - so extreme, the colonists have to migrate twice a year to escape the blistering heat of summer and the atmosphere-freezing cold of winter. Kyle is a neuro-atypical young man, emotionally challenged, but with an implant that gives him real-time access to the colony's computer network. When an overburdened starship arrives, he becomes the link between the established colonists and the refugees from a ravaged Earth.

With the human population ravaged by a series of devastating plagues, the alien Chtorr arrive to begin the final phase of their invasion. Even as many on Earth deny their existence, the giant wormlike carnivores prepare the world for the ultimate violation--the enslavement of humanity for food!

Gerrold, a science fiction writer from California, adopts a son who has a slight behavioral problem. He believes himself to be a Martian. Gerrold begins the long, involving work of trying to earn the acceptance of Dennis, a hyperactive eight-year-old who desperately wants a father's love, but is so insecure he feels he must be an alien. Gerrold's semi-autobiographical memoir of the first two years with Dennis is a funny, endearing, heartbreaking, and beautifully written testament to fatherhood.

Time Enough for Love is the capstone and crowning achievement of Heinlein's famous Future History series. Lazarus Long is so in love with life that he simply refuses to die. Born in the early 1900s, he lives through multiple centuries, his love for time ultimately causing him to become his own ancestor. Time Enough for Loveis his lovingly detailed account of his journey through a vast and magnificent timescape of centuries and worlds. Using the voice of Lazarus, Heinlein expounds his own philosophies, including his radical ideas on sexual freedom.

The Galahad, a faster-than-light spacecraft, carries 50 scientists and engineers on a mission to prepare Kepler 452b, Earth's nearest habitable neighbor at 1400 light years away. With Earth no longer habitable and the Mars colony slowly failing, they are humanity's best hope. After 10 years in a failed cryogenic bed - body asleep, mind awake - William Chanokh's torture comes to an end as the fog clears, the hatch opens, and his friend and fellow hacker, Tom, greets him...by stabbing a screwdriver into his heart. This is the first time William dies.

Welcome to Ringworld, an intermediate step between Dyson Spheres and planets. The gravitational force created by a rotation on its axis of 770 miles per second means no need for a roof. Walls 1,000 miles high at each rim will let in the sun and prevent much air from escaping. Larry Niven's novel, Ringworld, is the winner of the 1970 Hugo Award for Best Novel, the 1970 Nebula Award for Best Novel, and the 1972 Ditmars, an Australian award for Best International Science Fiction.

Only a few know the terrifying truth - an outcast Earth scientist, a rebellious alien inhabitant of a dying planet, a lunar-born human intuitionist who senses the imminent annihilation of the Sun... They know the truth - but who will listen? They have foreseen the cost of abundant energy - but who will believe?These few beings, human and alien, hold the key to the Earth's survival.

We were fighting on the wrong side of a war we couldn't win. And that was the good news. The Ruhar hit us on Columbus Day. There we were, innocently drifting along the cosmos on our little blue marble, like the native Americans in 1492. Over the horizon come ships of a technologically advanced, aggressive culture, and BAM! There go the good old days, when humans only got killed by each other. So, Columbus Day. It fits. When the morning sky twinkled again, this time with Kristang starships jumping in to hammer the Ruhar, we thought we were saved.

This classic science fiction masterwork by Isaac Asimov weaves stories about robots, humanity, and the deep questions of existence into a novel of shocking intelligence and heart.

Brilliant government scientist Richard Seaton discovers a remarkable faster-than-light fuel that will power his interstellar spaceship, The Skylark. His ruthless rival, Marc DuQuesne, and the sinister World Steel Corporation will do anything to get their hands on the fuel. They kidnap Seaton's fiancée and friends, unleashing a furious pursuit and igniting a burning desire for revenge that will propel The Skylark across the galaxy and back.

Conrad Nomikos has a long, rich personal history that he'd rather not talk about. And, as Arts Commissioner, he's been given a job he'd rather not do. Escorting an alien grandee on a guided tour of the shattered remains of Earth is not something he relishes—especially when it is apparent that this places him at the center of high-level intrigue that has some bearing on the future of Earth itself!

What if you found a way to send something back in time? But not weeks, days, or even minutes back. What if you could only send something back a fraction of a second? Would this be of any use? You wouldn't have nearly enough time to right a wrong, change an event, or win a lottery. Nathan Wexler is a brilliant physicist who thinks he's found a way to send matter a split second back into the past. But before he can even confirm his findings, he and his wife-to-be, Jenna Morrison, find themselves in a battle for their very lives.

William Mandella is a soldier in Earth's elite brigade. As the war against the Taurans sends him from galaxy to galaxy, he learns to use protective body shells and sophisticated weapons. He adapts to the cultures and terrains of distant outposts. But with each month in space, years are passing on Earth. Where will he call home when (and if) the Forever War ends?