The Invaders & The Beast

From Author Wars - https://authorwars.com/publications/the-invaders--the-beast-636323.html

Overview:

Title: The Invaders & The Beast
Author: L. Ron Hubbard
Year: 1993
Publisher: Author Services, Inc.
Price: $50.00
Pages: v+113
Binding: Hardcover
Type: Collection
Title Reference: The Invaders
Notes: All edges gilt. Green leather with gold printing. Issued without dustjacket. The price is inferred from a flyer in another volume urging readers to subscribe at $50.00 per volume. That note also claims that all volumes in the series are limited to 2,500 copies. Another flyer lists the price at $50 with a discount to $45 if buying the series.