There's no way that can be the river," Rhiow said.
"Rhi, the ceiling of Grand Central--" Saash said.
"It's backward," Rhiow snapped, "thank you very much, I know all about it."
"Is it?" Saash said. "Which direction are you coming at it from?"
Rhiow closed her mouth and thought about that.

Autore: Diane Duane