W.I.T.C.H.: Nerissa's Revenge (W.I.T.C.H.: The Graphic Novel #4)

In the aftermath of their first adventure, Will, Irma, Taranee, Cornelia, and Hay Lin have unleashed a dormant evil... Corrupted by a power greater than herself, the ex-Guardian Nerissa reemerges to threaten Kandrakar, and only the girls of W.I.T.C.H. can stand in her way!