In the distant future, 60 thousand light years from Earth, a loose confederation of Terran exiles are locked in a brutal battle with the mysterious Protoss race and a ruthless swarm of Zerg. At stake is the survival of the species in an interstellar war. She is the Queen of Blades and mistress of the Zerg swarm. Her name became a legend throughout the galaxy and a terror to her enemies. But once upon a time, Sarah Kerrigan was human - the subject and victim of a secret experiment, a treacherous assassin in the service of the Confederacy, until a play of chance pushed her to a fate no one could have predicted. This is the untold story of the mystery of Sarah Kerrigan's origins... and the battle , which was fought for her soul. The backstory of the heroine of the popular computer game, the first in a series of novelizations, was written by Mickey Neilson, an employee of Blizzard Entertainment, and was originally released as an electronic edition.