The Alchemist’s Secret The Alchemist’s Secret
2009
The Mozart Conspiracy The Mozart Conspiracy
2011
The Bach Manuscript The Bach Manuscript
2017
The Heretic’s Treasure The Heretic’s Treasure
2009
The Shadow Project The Shadow Project
2010
The Sacred Sword The Sacred Sword
2012
The Alchemist’s Secret The Alchemist’s Secret
2014
The Pretender’s Gold The Pretender’s Gold
2020
The Demon Club The Demon Club
2020
House of War House of War
2019
The Forgotten Holocaust The Forgotten Holocaust
2015
The Silver Serpent The Silver Serpent
2022