Tezzy (Hortensia) Tolosa: A member of Cordus’s staff. Beth Ryder’s martial arts instructor.

Theo (Theodore) Duff: A Nolander who belongs to Cordus’s organization. A water-worker.

Tiffany Ryder: Beth Ryder’s oldest niece, daughter of Ben and Justine Ryder. A tracker.

tree-octopuses, tree-’puses, or ’puses: Beth Ryder’s names for the dominant creatures of the western rainforest in the Octoworld isolate; powerful water-workers.

unworking: The effort to undo or destroy someone else’s working.

Williams, John: A member of Cordus’s organization. Gifted in barrier work.

working: A complete alteration of reality through the manipulation of essence. Sometimes called a “full working.”

Zion: A member of Cordus’s organization. A tracker. “Zion” is her entire name. She had it legally changed because it annoyed her to be referred to by her original full name (Zafirah Innocenté O’Sullivan-Namanworth), something Seconds tend to do.