The Adversary Cycle (box set)

From Author Wars - https://authorwars.com/publications/the-adversary-cycle-box-set-326623.html

Overview:

Title: The Adversary Cycle (box set)
Author: F. Paul Wilson
Year: 2006
Publisher: Borderlands Press
Price: $420.00
Binding: Hardcover
Type: Omnibus
Title Reference: Nightworld
Notes: July 2010 - The source of the information in this ISFDB publication record is the Borderlands Press page for The Adversary Cycle.
This is not an omnibus, but a boxed set of the six titles published by Borderlands (2003-2006). It is the 1000-copy signed and numbered edition encased in a leather-bound box designed by Caniglia, which was sold separately for $60.00. (Six books at $60.00 each plus the box totaled $420.00 for the set.)