Meg - Senses Throne of Mnemosyne

Finally, Meg stopped at a steel door. At least I assumed it was a door. It had no handle, lock, or visible hinges—it was just a featureless rectangle of metal set in the wall.
“It’s in here,” she said.
“How can you tell?”
She gave me her nyah-nyah-nyah look—the kind of expression your mother used to warn you about: If you make that face, it’ll stick. (I’d always taken this threat seriously, since divine mothers are fully capable of making it happen.)
“It’s like the trees, dummy.”
I blinked. “You mean, how you led us to the Grove of Dodona?”
“Yeah.”
“You can sense the Throne of Mnemosyne…because it is made of magical wood?”
“Dunno. I guess.”
That seemed like a stretch, even for a powerful daughter of Demeter. I didn’t know how the Throne of Mnemosyne had been created. It certainly might have been carved from some special tree from a sacred forest. Gods loved that sort of thing. If so, Meg might have been able to sense the chair. I wondered if she could find me a magical dining table once I got back to Olympus. I really needed one with foldout leaves for accommodating the Nine Muses at Thanksgiving.

***

The Dark prophecy, Chapter 24