The Nature of Masks

From Author Wars - https://authorwars.com/books/the-nature-of-masks-1822631.html

Overview:

Title: The Nature of Masks
Author: Mary Robinette Kowal
Year: 2014
Type: Essays

Editions/Publications:

Unknown. Altered Perceptions (Unknown, Mary Robinette Kowal, Fearful Symmetry, $25.00, 412 pages, Hardcover, Anthology)
2014 . Altered Perceptions (2014, Mary Robinette Kowal, Waygate Foundation, $9.99, 412 pages, ebook, Anthology)