Various
TOS
21552267+2 more

Glass Empires
Set in 2155, 2267 and 2 other periods
Three short novels about the Mirror Universe's Terran Empire. Empress Hoshi Sato seizes power with a starship from the future in Age of the Empress; in The Sorrows of Empire, Spock rises to rule the Empire with a secret plan; and in The Worst of Both Worlds, the Borg reach the mirror universe.
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