The hungry ghosts

"Witches have been banned from Arrett for years. Which is why Milly has tried to ignore the tingling light that appears in her palm anytime she conjures up a wish. She has too many responsibilities as the oldest girl at St. George's Orphanage to get caught up in magicks. Sweet, quirky Cilla, though, has always longed for that power, even if it could be dangerous for her. Milly has always kept an eye out for her, but then, in a case of mistaken identity, Cilla is kidnapped by an angry, exiled witch who believes she's the one with magicks--not Milly. Desperate to bring Cilla back to St. George's, Milly sets out to find her with a sarcastic young Wind stuck in the form of a cat as her companion"--.