The Spellchasers Trilogy

Molly hesitated. 'Are you cursed?' The girl nodded. 'Aren't you ?' Curses aren't real. Magic is only in stories. So Molly Drummond definitely can't be magically cursed. Can she? When Molly finds herself in a curse-lifting workshop with four magical classmates -- a kelpie, a dryad, a sphinx and a toad -- she's determined not to believe in it. But it's true that whenever a dog barks, Molly suddenly becomes a small and very fast hare. Molly and her friends set off on a quest to lift their curses --