Slaves of Sleep & The Masters of Sleep

From Author Wars - https://authorwars.com/publications/slaves-of-sleep--the-masters-of-sleep-283803.html

Overview:

Title: Slaves of Sleep & The Masters of Sleep
Author: L. Ron Hubbard
Year: 1993
ISBN-10: 0884046559
Publisher: Bridge Publications
Price: $19.95
Pages: 316
Binding: Hardcover
Type: Omnibus
Title Reference: Slaves of Sleep
Notes: Unknown