Empire of Evil / The Sign of the Tiger

From Author Wars - https://authorwars.com/books/empire-of-evil--the-sign-of-the-tiger-1550457.html

Overview:

Title: Empire of Evil / The Sign of the Tiger
Author: Gregory Luce
Year: 2011
Type: Omnibuses

Variant Titles:

2011. Empire of Evil / The Sign of the Tiger