Nebula Award-winning duo Anne McCaffrey and Elizabeth Ann Scarborough add another thrilling chapter to their sweeping Petaybee saga with Changelings. Yana and Sean are beside themselves with joy over the arrival of their twins Ronan and Murel. But the children's shape-changing abilities attract unwanted attention from an off-world scientist. Now Yana and Sean will do anything to protect their precocious youths from danger.

The kinetically gifted, trained in mind/machine gestalt, are the most valued citizens of the Nine Star League. Using mental powers alone, these few Prime Talents transport ships, cargo, and people between Earth's Moon, Mars' Demos and Jupiter's Callisto.

It's the dawning of a new age for mankind when the Catteni descend to Earth and easily overcome the Earth's population. Thousands are herded onto slave ships headed for the intergalactic auction block. Kris Bjornsen is captured in Denver on her way to her college classes and wakes up on the primitive planet Barevi.

Sassinak was 12 when the raiders came. That made her just the right age: old enough to be used, young enough to be broken. Or so the slavers thought. But Sassy turned out to be a little different from your typical slave girl. Maybe it was her unusual physical strength. Maybe it was her friendship with the captured Fleet crewman. Maybe it was her spirit. Whatever it was, it wouldn’t let her resign herself to the life of a slave. She bided her time, watched for her moment. Finally it came, and she escaped. But that was only the beginning for Sassinak.

A new "shellperson"—someone born with grave physical disabilities that required her human body to be encased in a massive titanium column—is provided a direct link between her mind and the computer of her ship, XN-935. Nancia is now a brand-new member of the elite Courier Service of the Central Worlds, the “brainship” of the most advanced interstellar ships around. But her innocent vision of human nature is shattered on her first voyage. Nevertheless, the idealistic Nancia and her worldly-wise new “brawn” partners must band together to save the galaxy.

On the beautiful planet Pern, colonized for centuries, Land Holders and Craftsmen have traditionally tithed food and supplies to the dragonweyrs to which they are bound. In times past, the mighty telepathic dragons and their riders were the only protection from the dreaded, life-threatening Thread. Now those times may be returning....

On Vega III, where the jaded inhabitants pursue lives of malicious intrigue and decadent pleasure, Lady Nimisha Boynton-Rondymense has always been an anomaly. Disdainful of the frivolity of her fellows, she prefers the exciting and challenging world of her father, Lord Tionel, owner and principal starship designer of the famous Rondymense shipyards.

Thomas's Duchess is no ordinary cat. She's a purebred Barque Cat, trained to patrol the ship on which she serves, sniffing out oxygen leaks and spotting other problems. But when a corrupt government announces it has found an epidemic that requires the impounding and possible destruction of animals across the galaxy - Barque Cats included - two young people, a kitten, and a mysterious, powerful cat with a hidden agenda, are all that stand between the galaxy's animals and total destruction.

Like Helva, The Ship Who Sang, Carialle was born so physically disadvantaged that her only chance for life was as a shell person. And again, like those others, Carialle decided she would strap on a spaceship. Her brawn is a guy named Keff. Their mission: to search the galaxy for intelligent beings.

Honor Harrington has been exiled to Basilisk station and given an antique ship to police the system. The vindictive superior who sent her there wants her to fail. But he made one mistake: he's made her mad....

Within the Eastern Empire, Duke Kordas Valdemar rules a tiny, bucolic Duchy that focuses mostly on horse breeding. Anticipating the day when the Empire's exploitative and militant leaders would not be content to leave them alone, Korda's father set out to gather magicians in the hopes of one day finding a way to escape and protect the people of the Duchy from tyranny.

Charlie Travers figures his life can’t get much worse. He lives over a pizza restaurant, he’s lost his girlfriend, and has no prospects for a career. Then, he’s abducted by an alien robot and taken across the galaxy. When he wakes up, he finds himself stranded thousands of light-years away, and about to be killed by space pirates.

Stephanie Harrington had always expected to be a forest ranger on her homeworld of Meyerdahl until her parents relocated to the frontier planet of Sphinx in the far distant Star Kingdom of Manticore. It should have been the perfect new home - a virgin wilderness full of new species of every sort, just waiting to be discovered. But Sphinx is a far more dangerous place than ultra-civilized Meyerdahl, and Stephanie's explorations come to a sudden halt when her parents lay down the law: no trips into the bush without adult supervision!

Accepting employment as a governess after hard times hit her family, medieval scholar Rosalind Hawkins is surprised when she learns that her mysterious employer has no children and only wants her to read to him through a speaking tube.

Bob thought he was doing fine on his own. Then the love of his life fell out of the sky. Can he get her back in the air with auto parts and a cutting torch? If he does, will she ever come back? Nikki took a job before she saw the equipment. Can she keep her passengers alive on a strange planet? Are the natives friendly?

Dragonsong is the spellbinding tale of Menolly of Half Circle Hold, a brave young girl who flees her seaside village and discovers the legendary fire lizards of Pern. All her life, Menolly has longed to learn the ancient secrets of the Harpers, the master musicians of Harper Hall. When her stern father denies her the chance to make her dream come true, Menolly runs away from home. Hiding in a cave by the sea, she finds nine magical fire lizards who join her on a breathtaking journey to Harper Hall.

Killashandra Ree has spent ten grueling years in musical training, anticipating interstellar celebrity as a vocal soloist. She is young, beautiful—and still without prospects. After learning that a flaw in her voice will prevent her from singing lead, she hears of the mysterious Heptite Guild on the planet Ballybran, where the fabled Black Crystal is found. Mining this strange form of crystal is a dangerous occupation but to Killa, the risks are acceptable. Remarkably, her adaptation to crystal mining is unusually easy. The problem is—few people who land on Ballybran ever leave.

Nebula Award-winning duo Anne McCaffrey and Elizabeth Ann Scarborough add another thrilling chapter to their sweeping Petaybee saga with Changelings. Yana and Sean are beside themselves with joy over the arrival of their twins Ronan and Murel. But the children's shape-changing abilities attract unwanted attention from an off-world scientist. Now Yana and Sean will do anything to protect their precocious youths from danger.

A new "shellperson"—someone born with grave physical disabilities that required her human body to be encased in a massive titanium column—is provided a direct link between her mind and the computer of her ship, XN-935. Nancia is now a brand-new member of the elite Courier Service of the Central Worlds, the “brainship” of the most advanced interstellar ships around. But her innocent vision of human nature is shattered on her first voyage. Nevertheless, the idealistic Nancia and her worldly-wise new “brawn” partners must band together to save the galaxy.

The kinetically gifted, trained in mind/machine gestalt, are the most valued citizens of the Nine Star League. Using mental powers alone, these few Prime Talents transport ships, cargo, and people between Earth's Moon, Mars' Demos and Jupiter's Callisto.

For an overpopulated Earth, whose resources are strained to the breaking point, there is only one place to look for relief: straight up. With the successful completion of the Padrugoi Space Station, humanity has at last achieved its first large-scale permanent presence in space. Additional bases are feverishly being built on the Moon and on Mars, stepping-stones to the greatest adventure in all history.

After a hard day of labor in Thornheath, Leolin returns home, hoping to catch a glimpse of dragons flying by.

A huge space station on the fringes of human space, SSS-900 is controlled by the brain of Simeon, a shellperson who relieves his daily monotony by replaying computer simulations of great battles. When a battered, jury-rigged ship appears to threaten the station, they rescue the people who are fleeing from the vicious Kolnari pirates. As the Kolnari take over the station, the stationers and the Bethelites from the rescued ship must devise ways to work together to fight the invaders. Will Simeon become the only thing standing between ruthless alien pirates and total destruction?

Like Helva, The Ship Who Sang, Carialle was born so physically disadvantaged that her only chance for life was as a shell person. And again, like those others, Carialle decided she would strap on a spaceship. Her brawn is a guy named Keff. Their mission: to search the galaxy for intelligent beings.

On Vega III, where the jaded inhabitants pursue lives of malicious intrigue and decadent pleasure, Lady Nimisha Boynton-Rondymense has always been an anomaly. Disdainful of the frivolity of her fellows, she prefers the exciting and challenging world of her father, Lord Tionel, owner and principal starship designer of the famous Rondymense shipyards.