The Pyramid of Doom Other Books in This Series

The Sacred Vault The Sacred Vault
The Sacred Vault
2011
Empire of Gold Empire of Gold
Empire of Gold
2011
Return to Atlantis Return to Atlantis
Return to Atlantis
2012
The Valhalla Prophecy The Valhalla Prophecy
The Valhalla Prophecy
2014
Kingdom of Darkness Kingdom of Darkness
Kingdom of Darkness
2015
The Revelation Code The Revelation Code
The Revelation Code
2016
The Midas Legacy The Midas Legacy
The Midas Legacy
2017
The Hunt for Atlantis The Hunt for Atlantis
The Hunt for Atlantis
2009
The Tomb of Hercules The Tomb of Hercules
The Tomb of Hercules
2009
The Secret of Excalibur The Secret of Excalibur
The Secret of Excalibur
2010
The Covenant of Genesis The Covenant of Genesis
The Covenant of Genesis
2010