Philadelphia Church of God

year of pub­li­ca­ti­onISBNauthor(s)title
2005978-0-9745507-0-1Herbert W. ArmstrongThe Mystery of the Ages (Did You Ever Ask Yourself: "Who Am I? What Am I? Why Am I?" You Are a Mystery. The World About You Is a Mystery. Now, You Can Understand!)
2006978-0-9745507-1-8Stephen FlurryRaising the Ruins: The Fight to Revive the Legacy of Herbert W. Armstrong