Day of the Delphi Other Books in This Series

Kingdom of the Seven Kingdom of the Seven
Kingdom of the Seven
1994
The Fires of Midnight The Fires of Midnight
The Fires of Midnight
2011
Pandora's Temple Pandora's Temple
Pandora's Temple
2012
The Tenth Circle The Tenth Circle
The Tenth Circle
2013
The Omega Command The Omega Command
The Omega Command
2011
The Alpha Deception The Alpha Deception
The Alpha Deception
2011
The Gamma Option The Gamma Option
The Gamma Option
2011
The Omicron Legion The Omicron Legion
The Omicron Legion
2011
The Vengeance of The Tau The Vengeance of The Tau
The Vengeance of The Tau
2011