Roads of Heaven Series by Melissa Scott

In a space-faring civilization where a single woman is increasingly sisenfranchised, the star pilot Silence Leigh is defrauded from her inheritance by a greedy competitor. Forced to ally with two men, Silence is dragged into a deadly political struggle, and is tantalized by the hints of the legendary Earth, as well as the dread and the glory of Magi's power... moreIn a space-faring civilization where a single woman is increasingly sisenfranchised, the star pilot Silence Leigh is defrauded from her inheritance by a greedy competitor. Forced to ally with two men, Silence is dragged into a deadly political struggle, and is tantalized by the hints of the legendary Earth, as well as the dread and the glory of Magi's power. Her dreams of having her own ship and of escape from the Hegemony's oppressions take on new direction and focus when she joins the crew of "The Sun-Treader" less

In Five-Twelfths of Heaven, Silence Leigh discovered that she was not only unusual, as a female pilot, but that impossible thing, a female magus. Her unique abilities make her the only person capable of reaching Earth, humanity's original home, now sealed behind a mysterious barrier — but first she must learn to use her new-found talents... moreIn Five-Twelfths of Heaven, Silence Leigh discovered that she was not only unusual, as a female pilot, but that impossible thing, a female magus. Her unique abilities make her the only person capable of reaching Earth, humanity's original home, now sealed behind a mysterious barrier — but first she must learn to use her new-found talents. As the Hegemon's men close in on her and her husbands and teacher, she must make a dangerous bargain: undertake an impossible rescue mission in exchange for a vital map. If she succeeds, she may be able to save Earth. If she fails… less

The road to Earth is well guarded, and if subterfuge does not breach its defenses, Silence and her husbands must fight. Against them stand the mysterious Rose Worlders and their siege engines--in a cataclysmic struggle for an entire world.

Book Club Edition. Includes:Five-Twelfths of Heaven, c. 1985Silence in Solitude, c.1986The Empress of Earth, c.1987A future in which alchemy and the carefully manipulated power of the elemental harmonies has made interstellar flight a reality.