Mass Effect: Deception - William C. Dietz

This novel continues the all-new, completely original story begun in the first three MASS EFFECT stories. The heroine, Gillian, was once the subject of horrifying scientific experiments, but now, after her rescue, she is beginning to master her amazing powers. But when she falls under the sway of a radical group who believes their powers make them superior to ordinary humans, she finds herself faced with a choice between her destiny . . . and her humanity.