The Dark Trade

From Author Wars - https://authorwars.com/books/the-dark-trade-2059343.html

Overview:

Title: The Dark Trade
Author: John Linwood Grant
Year: 2016
Type: Short Fiction
Series: Carnacki (John Linwood Grant)

Editions/Publications:

2016 . Carnacki: The Lost Cases (2016, John Linwood Grant, Ulthar Press, ISBN-10: 9780692743690, $15.95, 174 pages, Trade Paperback, Anthology)
2016 . Carnacki: The Lost Cases (2016, John Linwood Grant, Ulthar Press, $2.99, pages, ebook, Anthology)