Bahorel holds it out. "See-- like this. Look at the symbols long enough, and they change. I don't know what it means, but if someone from that world ever came here, they might..? But I've seen maps of some France that were strange too. Ah, and here's an England for you! Part of it, anyway."

He pulls out another book, bound in a slightly bluer shade of gray, and hands it over to Harry.