The House at the Edge of the World

From Author Wars - https://authorwars.com/books/the-house-at-the-edge-of-the-world-3381119.html

Overview:

Title: The House at the Edge of the World
Author: Robert R. McCammon
Year: 2016
Type: Short Fiction
Series: Matthew Corbett

Variant Titles:

2016. The House at the Edge of the World