Everyone has a dark side. Mandy’s just moved in with her.The last time sixteen-year-old Mandy Matteo broke a rule, her sister died. Since that day she has done only what is expected of her, but life as a goody-goody has made Mandy so boring her friends have all but abandoned her. And she’s given up on ever getting Ethan, the boy she’s liked forever, to notice her. Desperate, Mandy makes a wish to simply be happy.Her wish is granted and happiness arrives in the form of Lexi, her childhood imaginary friend come to life. Magical wishes have conditions though: Once started, the wish cannot be altered or stopped. And once Mandy is truly content with her life again, Lexi must go back to where she came from. But Lexi loves being alive and she’ll do whatever it takes to stay that way.