Regenesis Regenesis (2009) is a science fiction novel by American science fiction and fantasy author C. J. Cherryh set in her Alliance-Union universe. It is a sequel to Cherryh's 1988 Hugo award-winning science fiction novel, Cyteen, and was published in hardcover by DAW Books in January 2009. As the teenage clone of a top scientist and political leader starts accumulating power, she discovers who her friends and enemies are.

Ariane Emory is the eighteen-year-old clone of an extraordinary woman who was both a preeminent research scientist and the leader of the Expansionist Party, which has controlled Union since its inception. Her predecessor had some very powerful friends and enemies. However, inasmuch as her genemother had died under suspicious circumstances before she was even born, Emory is unsure who they are.

She is not without resources though. A breakthrough experiment in "psychogenesis" has recreated in her the genius of her parent. Everyone knows that she will one day follow in her mother's footsteps and take charge of Reseune?, a sovereign Administrative Territory and the premier azi research facility in Union, one of the three spacefaring factions of humanity.

Related: Serpent's Reach, Forty Thousand in Gehenna, Cyteen,

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