"You’d be correct, Granger." Malfoy leaned forward, resting his head on one hand. The fingers on his other hand traced the floral pattern of the blanket covering her bed. He seemed to be deep in thought. "I have the ritual spell book in my trunk. It’s transfigured to be an old potions textbook. Actually, it would be best to keep it here. You can page through it. But if we’re doing this, we need to start Wednesday. It’s the full moon."