James saw the grin and shook his head, but he was smiling fondly at his brother. "I can see how they can be useful with all the books you have in here. People still don't like them. Uncle Ron would go nuts if he saw them."
He slowly made his way to the headboard and leaned down, head on Al's pillow. "So, Pythagoras, Plato, Archimedes and Aristotle. You like your Greeks, don't you? Don't expect me to remember which one is which, though, and yes, hiding is a good idea or they will be killed."
He closed his eyes for a moment, and knew that he'd have to get up soon or he'd fall asleep. For the moment, he kept talking. "Regulus and Sirius finished their house. Do you want to come and see it? Dad and Mum are going to come. You can come with them or we can go at a different time. Or you don't have to see it at all if you don't want to."