Lyall stares back down at the book and then at Amelia for a long moment, but then he folds his arms unhappily and turns away with a grunt. She can knock on the door, it looks like. He's a Durant guard, not a butler.

The knock will bid the door to open by itself, or appear to. Really it's Viatorus who waves his hand and gets it to open, because he's halfway to his study with a mug of tea. Rushing over and spilling tea just wouldn't do. Seeing who it is, he smiles brightly. "Amelia! How are you?"