In Level Five, the debut near-future thriller by Nebula Award winner William Ledbetter, AIs battle for dominance, and nanotechnology is on the loose. And all that stands in the way of the coming apocalypse is a starry-eyed inventor who dreams of building a revolutionary new spacecraft and an intelligence agency desk jockey faced with the impossible choice of saving her daughter - or saving the world.

On a cold spring night in 1952, a huge meteorite fell to earth and obliterated much of the East Coast of the US, including Washington, DC. The ensuing climate cataclysm will soon render the Earth inhospitable for humanity, as the last such meteorite did for the dinosaurs. This looming threat calls for a radically accelerated effort to colonize space and requires a much-larger share of humanity to take part in the process. Elma York’s drive to become the first lady astronaut is so strong that even the most dearly held conventions of society may not stand a chance against her.

A terrorist bomb explodes during a South Korean celebration of the anniversary of the election of its first president. Alarms are raised in Washington. No one is claiming responsibility. The first suspect is North Korea. Could it be making a power play against South Korea and unification? If so, how will the U.S. respond? Paul Hood, Director of the Op-Center, must answer these questions. The Op-Center, a largely autonomous new agency which takes on the government's toughest security problems, is only six months old, and has never been given a foreign crisis until now.

On September 28th, a geologist working in Death Valley finds a mysterious new cinder cone in very well-mapped area. On October 1, the government of Australia announces the discovery of an enormous granite mountain. Like the cinder cone, it wasn't there six months ago.

Something is happening to planet Earth, and the truth is too terrifying to contemplate

Presumed dead after a staged terrorist attack, FBI Agent Odysseus Carr is running for his life with the doctor who rescued him. Meanwhile, the same power players who sent Odi to his death are now manipulating an FBI profiler into blindly tracking him down. She's not just their best - she's also his sister. As Odi unravels a devious plot of profound political manipulation and global consequence, the hunted becomes the hunter, and the real terror begins.

Kris Longknife is a daughter of privilege, born to money and power. Her father is the prime minister of her home planet, her mother the consummate politician's wife. She's been raised only to be beautiful and marry well. But the heritage of the military Longknifes courses through Kris' blood - and, against her parents' objections, she enlists in the Marines.

EMASI! Each Man a Separate Individual! That is the rallying cry of the Seps, the resistance force engaged in a class war against the upper tiers of a society driven entirely by opinion polls. Those who score high, the High-Opps, are given plush apartments, comfortable jobs, every possible convenience. But those who happen to be low-opped live crowded in warrens, facing harsh lives and brutal conditions.

In the aftermath of World War III, world leaders resolve as never before to eliminate war. The global conflict killed millions and wiped out entire countries. All nations agree to eradicate the most serious threat to world peace: religion.

Lt. General Nick Angriff has spent his adult life protecting family and country from a world of terrorism spinning out of control. On the battlefield, off the grid, in clandestine special task forces and outright black ops, Angriff never wavers from duty. But when a terror attack on Lake Tahoe kills his family, he's left with only the corrosive acid of revenge...that is, until a hated superior officer reveals the deepest of all secret operations. Against the day of national collapse, a heavily armed military unit rests in cryogenic storage....

Jim is an ordinary man of our time. He's unexpectedly transported 2,000 years into the future. He and his two sons, with a rental truck packed with the contents of their house, cause a major sensation with the population of that future time. Due to wars, politics, and age, little knowledge exists of the time Jim came from in the early 21st century. His gift to them is knowledge of a long forgotten past. He has one problem; someone is trying to kill him for what he knows.

On June 30, 1908, an object fell from the sky, releasing more energy than a thousand Hiroshima bombs. A Siberian forest was flattened, but the strike left no significant crater. The anomaly came to be known as the Tunguska Event, and scientists have never agreed whether it was the largest meteor strike in recorded history - or something else. Alien artifacts have been uncovered since the 1908 event, and a new star drive is discovered.

Jon Ryan is irreverent, cocky, funny, and walks with a swagger. The cocky fighter pilot turned astronaut is also Earth's only chance for survival. The planet Jupiter, thrown off orbit, will destroy Earth in less than a century. Jon volunteers for the most ambitious, desperate mission ever conceived: His consciousness must be transferred into an experimental android host, where he'll live an immortal - and lonely - life. Jon's only companion on his 50-year voyage is his ship's irritable AI.

Robert A. Heinlein has been hailed as one of the most forward-thinking science fiction writers of all time, and Expanded Universe (presented in two volumes) offers the perfect collection of his works to provide listeners with true insights into his uniquely creative mind.

Stoner knew. The fiery object hurtling toward the Earth was an alien spacecraft. But the world might never know. He was trapped in an iron cordon of secrecy, for the discovery had shattered the world power balance, setting off a brutal struggle for supremacy that raged from the sacred halls of the Vatican to the corridors of the Kremlin and the Pentagon. The forces of fear and treachery would use any weapon at their command, from mind war to sabotage, to keep the world in darkness.

Deborah Birch is a seasoned hospice nurse whose daily work requires courage and compassion. But her skills and experience are tested in new and dramatic ways when her easygoing husband, Michael, returns from his third deployment to Iraq haunted by nightmares, anxiety, and rage. She is determined to help him heal and to restore the tender, loving marriage they once had.