"Entotic"

From Author Wars - https://authorwars.com/books/entotic-1456892.html

Overview:

Title: "Entotic"
Author: Virginia Heinlein
Year: 2011
Type: Essays

Editions/Publications:

Unknown. The Nonfiction of Robert Heinlein: Volume II (Unknown, Virginia Heinlein, The Virginia Edition, ISBN-10: 9781897350430, v+463 pages, Hardcover, Non-fiction)