The Great Mirror / Terror from the Abyss

From Author Wars - https://authorwars.com/books/the-great-mirror--terror-from-the-abyss-2692048.html

Overview:

Title: The Great Mirror / Terror from the Abyss
Author: Gregory Luce
Year: 2016
Type: Omnibuses

Variant Titles:

2016. The Great Mirror / Terror from the Abyss