Ad Stellae Books is a personal imprint used by Sylvia Engdahl on both print and ebook editions of her novels for adults, plus reissues of her Young Adult novels. In addition, it is used on the ebook editions of YA books by her mother, Mildred Allen Butler.
Why is the colonization of space important? Why has the public lost interest in space since the Apollo era? And what other future developments, such as growing understanding of "paranormal" human abilities, will represent major evolutionary advances for our species? These are some of the questions discussed by science fiction author Sylvia Engdahl in this collection of often-controversial essays.
When burned-out starship captain Jesse Sanders is seized by a dictatorial medical regime and detained on the colony planet Undine, he has no idea that he is about to be plunged into a bewildering new life that will involve ordeals and joys beyond anything he has ever imagined. Ultimately, he finds himself responsible for the survival of three hundred people isolated on a raw new planet.
Melinda has a plan for her life, and a trip to Mars isn't part of it. When she receives a ticket as a graduation gift from her dad she is dismayed, but reluctantly she agrees to go with him. After meeting Alex, a second-generation Martian colonist, she is torn between what she has always wanted and upsetting new feelings. Only a terrifying experience makes her aware of what really matters to her.
Starship pilot Terry Radnor is elated to be among those chosen to defend the secret colony Maclairn against enemies who pose a threat to the spread of paranormal human mind powers, and commits himself wholly to its cause. He has no idea of how much grief that commitment will cost him, nor does he guess that the destiny ultimately in store for him is far stranger than anyone could have imagined.
After saving the secret colony Maclairn from terrorists, Terry Steward sets out to further its plan to spread advanced mind powers to the worlds of humankind. Yet Maclairn’s enemies still pose a threat, and on Earth the persecution of people with such powers is increasing. Seeking a way to defeat the conspiracy, he does not guess that he is destined to play an even greater role in human history.
Omnibus edition (box set) of the trilogy This Star Shall Abide (aka Heritage of the Star), Beyond the Tomorrow Mountains, and The Doors of the Universe. Noren was a heretic—he defied his world’s High Law and had no faith in the Prophecy's fulfillment. But the more he learned of the grim truth about his people's situation, the less possible it seemed that their rightful heritage could be restored.
Katherine of Valois, born a French princess, was the wife of King Henry V of England, the mother of Henry VI, and ultimately the grandmother of Henry VII, the first Tudor king. In view of the current widespread interest in the Tudors, young adult readers will be fascinated by the story of the widowed Queen who fell in love with—and secretly married—the commoner who gave that dynasty its name.
Like all sons of the nobility in 17th-century France, Armand has been trained to defend himself with a rapier. But beyond that, he believes it is his duty to avenge the murder of his father. His quest takes him to Paris as an actor in a prominent group of players, friendship with the famous Cyrano de Bergerac, imprisonment in a castle tower, and ultimately a duel with his father’s killer.
Starship pilot Terry Radnor, involved in a secret mission after training that gives him extraordinary physical and psychic capabilities, finds fulfillment in love and in commitment to a cause—until an ironic twist of fate tears him away from everything he has ever cared about. Is there any hope that he can fulfill his pledge to protect the world whose safety is crucial to the future of humankind?
From the late 17th century until the end of the 19th, almost all educated people believed that the stars are suns surrounded by inhabited planets. This book, first published by Atheneum in 1974 and now updated to include the scientific knowledge gained during the past 40 years, tells the story of the rise, fall, and eventual renewal of widespread conviction that we are not alone in the universe.
Adrienne is happy to become a ward of King Louis XIV of France and attend the school for girls established by his wife. But when the school’s rules change, she flees with the help of her cousin Pierre and hides in the palace of Versailles, disguised as a page boy, until the two escape--only to be accidentally separated. Not knowing if he is alive, she soon must make a decision about her future.
Intended not for SF fans but for teens who don’t ordinarily choose science fiction, this anthology of stories about the future focuses on the timeless aspects of being human. It aims to suggest ideas about the future in a way readers who prefer real-life settings to strangeness will enjoy. Contributors include Sylvia Engdahl, Shirley Rousseau Murphy, Carol Farley and other authors of YA books.
Anna Cora Mowatt holds an important place in American theater history. She was the first woman to give public readings; she wrote the first social satire for the stage; and, having become a star overnight without previous acting experience, she was the first American to make the acting profession for women respectable--proving that a lady could be an actress and an actress a lady. Ages 12 up.
Anne of Brittany was only 12 when, in 1488, she became its Duchess, but already she was among the best-educated women of her era and she was determined to preserve the duchy’s independence. At 15 she averted takeover by France when she married its king, Charles VIII, and after he died she married his successor, Louis XII, becoming the only person ever twice crowned Queen of France. Ages 12 up.
Assigned as a observer to a world whose people may soon destroy their civilization, Anthropological Service agent Elana expects merely to gain knowledge that may save other planets. When a young, inexperienced agent unwittingly endangers the entire world by a well-meant but ill-advised attempt to intervene, Elana finds that only she--at great cost--can prevent an immediate war of annihilation.
Children of the Star trilogy, Book Three. Noren had found faith in the Prophecy’s fulfillment in the face of overwhelming odds. Yet the more he learned of the grim truth about his people's situation, the less possible it seemed that their world could ever be changed. It would take more drastic steps than anyone imagined to restore their rightful heritage—and he alone could do what was needed.
Children of the Star trilogy, Book Two. Once Noren gained admission to the City where technology was hidden, he thought he had discovered how to make metal and Machines available to everyone and end the rule of the Scholars. But he soon learned it was not as simple as he had believed. Was it right to let people go on believing in the promises of a Prophecy that might not come true after all?
Noren knew that his world was not as it should be—it was wrong that only the Scholars and Technicians could use metal and Machines. It was wrong that only they had access to the knowledge hidden in the mysterious City. He was a heretic. He defied the High Law and had no faith in the Prophecy’s promised fulfillment. But was defiance enough, or could some way be found to make it come true?
Three hundred people, isolated on a raw new planet in the hope that their psi powers will become the foundation of a culture that can someday shape the future of humankind. If they don’t starve first or lose heart in the face of hardships beyond any they imagined--and if their kids can be raised to believe in the dream. Though a sequel to Stewards of the Flame, this novel is complete in itself.
When starship captain Jesse Sanders is detained by a dictatorial medical regime on the colony planet Undine, he is plunged into a life involving ordeals and joys unlike anything he has ever imagined. This controversial novel deals with the so-called paranormal powers of the human mind and appeals to a wide range of readers who question the dominant medical philosophy of today's society.