The Delphi Group Series
The Signal Book 1
The Portal Book 2
The Hades Conspiracy Book 3
Betrayal A Novella
The Island Book 4
The Chamber Book 5
The Anomaly Book 6
The Ezekiel Code Book 7
The Delphi Group Set Books 1-3
Drenna Steel Series
Retribution Book 1
Collateral Damage Book 2