Las puertas de hierro

From Author Wars - https://authorwars.com/books/las-puertas-de-hierro-2155355.html

Overview:

Title: Las puertas de hierro
Author: Margaret Millar
Year: 1967
Type: Novels

Editions/Publications:

Unknown. Cuentos para la madrugada (Unknown, Margaret Millar, Aguilar, 867 pages, Hardcover, Anthology)
Unknown. Cuentos para la madrugada (Unknown, Margaret Millar, Aguilar, ISBN-10: 8403680805, 914 pages, Hardcover, Anthology)