"Think I saw one in a movie once," she says distractedly, now keeping an eye on Ottaline, whom she strongly suspects to be busy earwigging rather than book-hunting.

Raising her voice: "Any luck, love?"

Ottaline's head appears from behind a different stack of books to the one she disappeared behind. "Just found 'em! All present and correct, as it turns out."

Nix's grin is cheerful, but doesn't quite reach her eyes until she turns back to Reid. "You chosen anythin' yet?"