At least he manages to get the spell out this time: "Depulso!"

It doesn't work. He tries to imagine the magic channelling through his body - he must have performed magic like that once, when he was still a child, before he had taken to borrowing his parents' wands - but it doesn't work.

The book glances off his outstretched fingers, tumbling onto the floor. Jade stares down at it.

Then he leans down to toss it back at Professor Rammsteiner, not speaking a word.