8 books in series

Vatican Secret Archive

Vatican Secret Archive is a 1-book series first released in 2021 with contributions by Gary McAvoy and Ronald L. Moore.

The Vivaldi Cipher
The Opus Dictum
The Petrus Prophecy
The Avignon Affair
The Jerusalem Scrolls
The Galileo Gambit
The Confessions of Pope Joan
Cover 2

The Celestial Guardian