He hurried over to Ron, bent down, tapped Ron's leg with his wand, and muttered, ¡°Ferula.¡± Bandages spun up Ron's leg, strapping it tightly to a splint. Lupin helped him to his feet; Ron put his weight gingerly on the leg and didn't wince.
¡°He seems like a very good teacher,¡± said Hermione approvingly. ¡°But I wish I could have had a turn with the Boggart ¡ª¡±
His voice faded, but Harry hardly noticed. He was thinking about what the Dementors had done to him¡about the screaming voice. He looked up and saw Ron and Hermione looking at him so anxiously that he quickly cast around for something matter-of-fact to say.
¡°Bye!¡± Harry called to Ron. ¡°See you when you get back!¡±